diff --git a/ChangeLog b/ChangeLog
index d73167388..6c02e2fcc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -14,6 +14,8 @@ Bugfix
 Changes
    * Copy headers preserving timestamps when doing a "make install".
      Contributed by xueruini.
+   * Allow the forward declaration of public structs. Contributed by Dawid
+     Drozd. Fixes #1215 raised by randombit.
 
 = mbed TLS 2.12.0 branch released 2018-07-25
 
diff --git a/include/mbedtls/aes.h b/include/mbedtls/aes.h
index f6603d596..4c8dab315 100644
--- a/include/mbedtls/aes.h
+++ b/include/mbedtls/aes.h
@@ -79,7 +79,7 @@ extern "C" {
 /**
  * \brief The AES context-type definition.
  */
-typedef struct
+typedef struct mbedtls_aes_context
 {
     int nr;                     /*!< The number of rounds. */
     uint32_t *rk;               /*!< AES round keys. */
@@ -98,7 +98,7 @@ mbedtls_aes_context;
 /**
  * \brief The AES XTS context-type definition.
  */
-typedef struct
+typedef struct mbedtls_aes_xts_context
 {
     mbedtls_aes_context crypt; /*!< The AES context to use for AES block
                                         encryption or decryption. */
diff --git a/include/mbedtls/arc4.h b/include/mbedtls/arc4.h
index f11fc5be0..83a7461f3 100644
--- a/include/mbedtls/arc4.h
+++ b/include/mbedtls/arc4.h
@@ -53,7 +53,7 @@ extern "C" {
  *            security risk. We recommend considering stronger ciphers instead.
  *
  */
-typedef struct
+typedef struct mbedtls_arc4_context
 {
     int x;                      /*!< permutation index */
     int y;                      /*!< permutation index */
diff --git a/include/mbedtls/aria.h b/include/mbedtls/aria.h
index bae0621b2..4a79c1387 100644
--- a/include/mbedtls/aria.h
+++ b/include/mbedtls/aria.h
@@ -62,7 +62,7 @@ extern "C" {
 /**
  * \brief The ARIA context-type definition.
  */
-typedef struct
+typedef struct mbedtls_aria_context
 {
     unsigned char nr;           /*!< The number of rounds (12, 14 or 16) */
     /*! The ARIA round keys. */
diff --git a/include/mbedtls/bignum.h b/include/mbedtls/bignum.h
index 31383b1eb..732ecbef1 100644
--- a/include/mbedtls/bignum.h
+++ b/include/mbedtls/bignum.h
@@ -177,7 +177,7 @@ extern "C" {
 /**
  * \brief          MPI structure
  */
-typedef struct
+typedef struct mbedtls_mpi
 {
     int s;              /*!<  integer sign      */
     size_t n;           /*!<  total # of limbs  */
diff --git a/include/mbedtls/blowfish.h b/include/mbedtls/blowfish.h
index 985faa43f..eea6882f7 100644
--- a/include/mbedtls/blowfish.h
+++ b/include/mbedtls/blowfish.h
@@ -55,7 +55,7 @@ extern "C" {
 /**
  * \brief          Blowfish context structure
  */
-typedef struct
+typedef struct mbedtls_blowfish_context
 {
     uint32_t P[MBEDTLS_BLOWFISH_ROUNDS + 2];    /*!<  Blowfish round keys    */
     uint32_t S[4][256];                 /*!<  key dependent S-boxes  */
diff --git a/include/mbedtls/camellia.h b/include/mbedtls/camellia.h
index 7e4721af7..fa1e05ee7 100644
--- a/include/mbedtls/camellia.h
+++ b/include/mbedtls/camellia.h
@@ -51,7 +51,7 @@ extern "C" {
 /**
  * \brief          CAMELLIA context structure
  */
-typedef struct
+typedef struct mbedtls_camellia_context
 {
     int nr;                     /*!<  number of rounds  */
     uint32_t rk[68];            /*!<  CAMELLIA round keys    */
diff --git a/include/mbedtls/ccm.h b/include/mbedtls/ccm.h
index 5d727e7cc..e1dc124b8 100644
--- a/include/mbedtls/ccm.h
+++ b/include/mbedtls/ccm.h
@@ -68,7 +68,8 @@ extern "C" {
  * \brief    The CCM context-type definition. The CCM context is passed
  *           to the APIs called.
  */
-typedef struct {
+typedef struct mbedtls_ccm_context
+{
     mbedtls_cipher_context_t cipher_ctx;    /*!< The cipher context used. */
 }
 mbedtls_ccm_context;
diff --git a/include/mbedtls/chacha20.h b/include/mbedtls/chacha20.h
index 47bd7d38b..cfea40a57 100644
--- a/include/mbedtls/chacha20.h
+++ b/include/mbedtls/chacha20.h
@@ -52,7 +52,7 @@ extern "C" {
 
 #if !defined(MBEDTLS_CHACHA20_ALT)
 
-typedef struct
+typedef struct mbedtls_chacha20_context
 {
     uint32_t state[16];          /*! The state (before round operations). */
     uint8_t  keystream8[64];     /*! Leftover keystream bytes. */
diff --git a/include/mbedtls/chachapoly.h b/include/mbedtls/chachapoly.h
index 42b2b230c..7de6f4e8c 100644
--- a/include/mbedtls/chachapoly.h
+++ b/include/mbedtls/chachapoly.h
@@ -60,7 +60,7 @@ mbedtls_chachapoly_mode_t;
 
 #include "chacha20.h"
 
-typedef struct
+typedef struct mbedtls_chachapoly_context
 {
     mbedtls_chacha20_context chacha20_ctx;  /**< The ChaCha20 context. */
     mbedtls_poly1305_context poly1305_ctx;  /**< The Poly1305 context. */
diff --git a/include/mbedtls/cipher.h b/include/mbedtls/cipher.h
index 7f3477a42..dfb154110 100644
--- a/include/mbedtls/cipher.h
+++ b/include/mbedtls/cipher.h
@@ -236,7 +236,8 @@ typedef struct mbedtls_cmac_context_t mbedtls_cmac_context_t;
  * Cipher information. Allows calling cipher functions
  * in a generic way.
  */
-typedef struct {
+typedef struct mbedtls_cipher_info_t
+{
     /** Full cipher identifier. For example,
      * MBEDTLS_CIPHER_AES_256_CBC.
      */
@@ -277,7 +278,8 @@ typedef struct {
 /**
  * Generic cipher context.
  */
-typedef struct {
+typedef struct mbedtls_cipher_context_t
+{
     /** Information about the associated cipher. */
     const mbedtls_cipher_info_t *cipher_info;
 
diff --git a/include/mbedtls/ctr_drbg.h b/include/mbedtls/ctr_drbg.h
index 3835d7299..3a4b7f3f1 100644
--- a/include/mbedtls/ctr_drbg.h
+++ b/include/mbedtls/ctr_drbg.h
@@ -108,7 +108,7 @@ extern "C" {
 /**
  * \brief          The CTR_DRBG context structure.
  */
-typedef struct
+typedef struct mbedtls_ctr_drbg_context
 {
     unsigned char counter[16];  /*!< The counter (V). */
     int reseed_counter;         /*!< The reseed counter. */
diff --git a/include/mbedtls/des.h b/include/mbedtls/des.h
index 6eb7d03ba..91d16b6fb 100644
--- a/include/mbedtls/des.h
+++ b/include/mbedtls/des.h
@@ -61,7 +61,7 @@ extern "C" {
  *                 security risk. We recommend considering stronger ciphers
  *                 instead.
  */
-typedef struct
+typedef struct mbedtls_des_context
 {
     uint32_t sk[32];            /*!<  DES subkeys       */
 }
@@ -70,7 +70,7 @@ mbedtls_des_context;
 /**
  * \brief          Triple-DES context structure
  */
-typedef struct
+typedef struct mbedtls_des3_context
 {
     uint32_t sk[96];            /*!<  3DES subkeys      */
 }
diff --git a/include/mbedtls/dhm.h b/include/mbedtls/dhm.h
index 75317a8e6..3e1178940 100644
--- a/include/mbedtls/dhm.h
+++ b/include/mbedtls/dhm.h
@@ -96,7 +96,7 @@ extern "C" {
 /**
  * \brief          The DHM context structure.
  */
-typedef struct
+typedef struct mbedtls_dhm_context
 {
     size_t len;         /*!<  The size of \p P in Bytes. */
     mbedtls_mpi P;      /*!<  The prime modulus. */
diff --git a/include/mbedtls/ecdh.h b/include/mbedtls/ecdh.h
index 5fdf55a88..95f39805c 100644
--- a/include/mbedtls/ecdh.h
+++ b/include/mbedtls/ecdh.h
@@ -52,7 +52,7 @@ typedef enum
 /**
  * \brief           The ECDH context structure.
  */
-typedef struct
+typedef struct mbedtls_ecdh_context
 {
     mbedtls_ecp_group grp;   /*!< The elliptic curve used. */
     mbedtls_mpi d;           /*!< The private key. */
diff --git a/include/mbedtls/ecjpake.h b/include/mbedtls/ecjpake.h
index cc2b316f5..59d12f080 100644
--- a/include/mbedtls/ecjpake.h
+++ b/include/mbedtls/ecjpake.h
@@ -68,7 +68,7 @@ typedef enum {
  * convetion from the Thread v1.0 spec. Correspondance is indicated in the
  * description as a pair C: client name, S: server name
  */
-typedef struct
+typedef struct mbedtls_ecjpake_context
 {
     const mbedtls_md_info_t *md_info;   /**< Hash to use                    */
     mbedtls_ecp_group grp;              /**< Elliptic curve                 */
diff --git a/include/mbedtls/ecp.h b/include/mbedtls/ecp.h
index 3a407986d..ed1b9d736 100644
--- a/include/mbedtls/ecp.h
+++ b/include/mbedtls/ecp.h
@@ -92,7 +92,7 @@ typedef enum
 /**
  * Curve information, for use by other modules.
  */
-typedef struct
+typedef struct mbedtls_ecp_curve_info
 {
     mbedtls_ecp_group_id grp_id;    /*!< An internal identifier. */
     uint16_t tls_id;                /*!< The TLS NamedCurve identifier. */
@@ -111,7 +111,7 @@ typedef struct
  *                  Otherwise, \p X and \p Y are its standard (affine)
  *                  coordinates.
  */
-typedef struct
+typedef struct mbedtls_ecp_point
 {
     mbedtls_mpi X;          /*!< The X coordinate of the ECP point. */
     mbedtls_mpi Y;          /*!< The Y coordinate of the ECP point. */
@@ -156,7 +156,7 @@ mbedtls_ecp_point;
  * reduction. It must return 0 on success and non-zero on failure.
  *
  */
-typedef struct
+typedef struct mbedtls_ecp_group
 {
     mbedtls_ecp_group_id id;    /*!< An internal group identifier. */
     mbedtls_mpi P;              /*!< The prime modulus of the base field. */
@@ -251,7 +251,7 @@ mbedtls_ecp_group;
  * \note    Members are deliberately in the same order as in the
  *          ::mbedtls_ecdsa_context structure.
  */
-typedef struct
+typedef struct mbedtls_ecp_keypair
 {
     mbedtls_ecp_group grp;      /*!<  Elliptic curve and base point     */
     mbedtls_mpi d;              /*!<  our secret value                  */
diff --git a/include/mbedtls/entropy.h b/include/mbedtls/entropy.h
index a5cb05a58..ca06dc3c5 100644
--- a/include/mbedtls/entropy.h
+++ b/include/mbedtls/entropy.h
@@ -107,7 +107,7 @@ typedef int (*mbedtls_entropy_f_source_ptr)(void *data, unsigned char *output, s
 /**
  * \brief           Entropy source state
  */
-typedef struct
+typedef struct mbedtls_entropy_source_state
 {
     mbedtls_entropy_f_source_ptr    f_source;   /**< The entropy source callback */
     void *          p_source;   /**< The callback data pointer */
@@ -120,7 +120,7 @@ mbedtls_entropy_source_state;
 /**
  * \brief           Entropy context structure
  */
-typedef struct
+typedef struct mbedtls_entropy_context
 {
     int accumulator_started;
 #if defined(MBEDTLS_ENTROPY_SHA512_ACCUMULATOR)
diff --git a/include/mbedtls/gcm.h b/include/mbedtls/gcm.h
index 87535ab95..d2098eb9f 100644
--- a/include/mbedtls/gcm.h
+++ b/include/mbedtls/gcm.h
@@ -53,7 +53,8 @@ extern "C" {
 /**
  * \brief          The GCM context structure.
  */
-typedef struct {
+typedef struct mbedtls_gcm_context
+{
     mbedtls_cipher_context_t cipher_ctx;  /*!< The cipher context used. */
     uint64_t HL[16];                      /*!< Precalculated HTable low. */
     uint64_t HH[16];                      /*!< Precalculated HTable high. */
diff --git a/include/mbedtls/havege.h b/include/mbedtls/havege.h
index d4cb3ed38..57e8c4094 100644
--- a/include/mbedtls/havege.h
+++ b/include/mbedtls/havege.h
@@ -35,7 +35,7 @@ extern "C" {
 /**
  * \brief          HAVEGE state structure
  */
-typedef struct
+typedef struct mbedtls_havege_state
 {
     int PT1, PT2, offset[2];
     int pool[MBEDTLS_HAVEGE_COLLECT_SIZE];
diff --git a/include/mbedtls/hmac_drbg.h b/include/mbedtls/hmac_drbg.h
index 2608de859..3bc675ec7 100644
--- a/include/mbedtls/hmac_drbg.h
+++ b/include/mbedtls/hmac_drbg.h
@@ -74,7 +74,7 @@ extern "C" {
 /**
  * HMAC_DRBG context.
  */
-typedef struct
+typedef struct mbedtls_hmac_drbg_context
 {
     /* Working state: the key K is not stored explicitely,
      * but is implied by the HMAC context */
diff --git a/include/mbedtls/md.h b/include/mbedtls/md.h
index 6b6f5c53d..bf2952498 100644
--- a/include/mbedtls/md.h
+++ b/include/mbedtls/md.h
@@ -80,7 +80,8 @@ typedef struct mbedtls_md_info_t mbedtls_md_info_t;
 /**
  * The generic message-digest context.
  */
-typedef struct {
+typedef struct mbedtls_md_context_t
+{
     /** Information about the associated message digest. */
     const mbedtls_md_info_t *md_info;
 
diff --git a/include/mbedtls/md2.h b/include/mbedtls/md2.h
index 08e75b247..a46bddb74 100644
--- a/include/mbedtls/md2.h
+++ b/include/mbedtls/md2.h
@@ -55,7 +55,7 @@ extern "C" {
  *                 stronger message digests instead.
  *
  */
-typedef struct
+typedef struct mbedtls_md2_context
 {
     unsigned char cksum[16];    /*!< checksum of the data block */
     unsigned char state[48];    /*!< intermediate digest state  */
diff --git a/include/mbedtls/md4.h b/include/mbedtls/md4.h
index 8ee4e5cab..1672e9074 100644
--- a/include/mbedtls/md4.h
+++ b/include/mbedtls/md4.h
@@ -56,7 +56,7 @@ extern "C" {
  *                 stronger message digests instead.
  *
  */
-typedef struct
+typedef struct mbedtls_md4_context
 {
     uint32_t total[2];          /*!< number of bytes processed  */
     uint32_t state[4];          /*!< intermediate digest state  */
diff --git a/include/mbedtls/md5.h b/include/mbedtls/md5.h
index 43ead4b74..4c9509010 100644
--- a/include/mbedtls/md5.h
+++ b/include/mbedtls/md5.h
@@ -55,7 +55,7 @@ extern "C" {
  *                 stronger message digests instead.
  *
  */
-typedef struct
+typedef struct mbedtls_md5_context
 {
     uint32_t total[2];          /*!< number of bytes processed  */
     uint32_t state[4];          /*!< intermediate digest state  */
diff --git a/include/mbedtls/net_sockets.h b/include/mbedtls/net_sockets.h
index 9f07eeb4d..4c7ef00fe 100644
--- a/include/mbedtls/net_sockets.h
+++ b/include/mbedtls/net_sockets.h
@@ -84,7 +84,7 @@ extern "C" {
  * (eg two file descriptors for combined IPv4 + IPv6 support, or additional
  * structures for hand-made UDP demultiplexing).
  */
-typedef struct
+typedef struct mbedtls_net_context
 {
     int fd;             /**< The underlying file descriptor                 */
 }
diff --git a/include/mbedtls/oid.h b/include/mbedtls/oid.h
index f82554844..6fbd018aa 100644
--- a/include/mbedtls/oid.h
+++ b/include/mbedtls/oid.h
@@ -403,7 +403,8 @@ extern "C" {
 /**
  * \brief Base OID descriptor structure
  */
-typedef struct {
+typedef struct mbedtls_oid_descriptor_t
+{
     const char *asn1;               /*!< OID ASN.1 representation       */
     size_t asn1_len;                /*!< length of asn1                 */
     const char *name;               /*!< official name (e.g. from RFC)  */
diff --git a/include/mbedtls/pem.h b/include/mbedtls/pem.h
index 2cf4c0a70..fa82f7bdb 100644
--- a/include/mbedtls/pem.h
+++ b/include/mbedtls/pem.h
@@ -51,7 +51,7 @@ extern "C" {
 /**
  * \brief       PEM context structure
  */
-typedef struct
+typedef struct mbedtls_pem_context
 {
     unsigned char *buf;     /*!< buffer for decoded data             */
     size_t buflen;          /*!< length of the buffer                */
diff --git a/include/mbedtls/pk.h b/include/mbedtls/pk.h
index ee06b2fd2..db54c6a6e 100644
--- a/include/mbedtls/pk.h
+++ b/include/mbedtls/pk.h
@@ -87,7 +87,7 @@ typedef enum {
  * \brief           Options for RSASSA-PSS signature verification.
  *                  See \c mbedtls_rsa_rsassa_pss_verify_ext()
  */
-typedef struct
+typedef struct mbedtls_pk_rsassa_pss_options
 {
     mbedtls_md_type_t mgf1_hash_id;
     int expected_salt_len;
@@ -107,7 +107,7 @@ typedef enum
 /**
  * \brief           Item to send to the debug module
  */
-typedef struct
+typedef struct mbedtls_pk_debug_item
 {
     mbedtls_pk_debug_type type;
     const char *name;
@@ -125,7 +125,7 @@ typedef struct mbedtls_pk_info_t mbedtls_pk_info_t;
 /**
  * \brief           Public key container
  */
-typedef struct
+typedef struct mbedtls_pk_context
 {
     const mbedtls_pk_info_t *   pk_info; /**< Public key informations        */
     void *                      pk_ctx;  /**< Underlying public key context  */
diff --git a/include/mbedtls/pkcs11.h b/include/mbedtls/pkcs11.h
index bf65c55a7..02427ddc1 100644
--- a/include/mbedtls/pkcs11.h
+++ b/include/mbedtls/pkcs11.h
@@ -50,7 +50,8 @@ extern "C" {
 /**
  * Context for PKCS #11 private keys.
  */
-typedef struct {
+typedef struct mbedtls_pkcs11_context
+{
         pkcs11h_certificate_t pkcs11h_cert;
         int len;
 } mbedtls_pkcs11_context;
diff --git a/include/mbedtls/platform.h b/include/mbedtls/platform.h
index 624cc642a..a40a64f9c 100644
--- a/include/mbedtls/platform.h
+++ b/include/mbedtls/platform.h
@@ -315,7 +315,8 @@ int mbedtls_platform_set_nv_seed(
  * \note    This structure may be used to assist platform-specific
  *          setup or teardown operations.
  */
-typedef struct {
+typedef struct mbedtls_platform_context
+{
     char dummy; /**< A placeholder member, as empty structs are not portable. */
 }
 mbedtls_platform_context;
diff --git a/include/mbedtls/poly1305.h b/include/mbedtls/poly1305.h
index 54b50abc2..c490cdf2b 100644
--- a/include/mbedtls/poly1305.h
+++ b/include/mbedtls/poly1305.h
@@ -52,7 +52,7 @@ extern "C" {
 
 #if !defined(MBEDTLS_POLY1305_ALT)
 
-typedef struct
+typedef struct mbedtls_poly1305_context
 {
     uint32_t r[4];      /** The value for 'r' (low 128 bits of the key). */
     uint32_t s[4];      /** The value for 's' (high 128 bits of the key). */
diff --git a/include/mbedtls/ripemd160.h b/include/mbedtls/ripemd160.h
index a0dac0c36..0c8e568b9 100644
--- a/include/mbedtls/ripemd160.h
+++ b/include/mbedtls/ripemd160.h
@@ -46,7 +46,7 @@ extern "C" {
 /**
  * \brief          RIPEMD-160 context structure
  */
-typedef struct
+typedef struct mbedtls_ripemd160_context
 {
     uint32_t total[2];          /*!< number of bytes processed  */
     uint32_t state[5];          /*!< intermediate digest state  */
diff --git a/include/mbedtls/rsa.h b/include/mbedtls/rsa.h
index 19eb2ee74..6eea5af2f 100644
--- a/include/mbedtls/rsa.h
+++ b/include/mbedtls/rsa.h
@@ -92,7 +92,7 @@ extern "C" {
  *          is deprecated. All manipulation should instead be done through
  *          the public interface functions.
  */
-typedef struct
+typedef struct mbedtls_rsa_context
 {
     int ver;                    /*!<  Always 0.*/
     size_t len;                 /*!<  The size of \p N in Bytes. */
diff --git a/include/mbedtls/sha1.h b/include/mbedtls/sha1.h
index 65a124c94..7a19da0a4 100644
--- a/include/mbedtls/sha1.h
+++ b/include/mbedtls/sha1.h
@@ -58,7 +58,7 @@ extern "C" {
  *                 stronger message digests instead.
  *
  */
-typedef struct
+typedef struct mbedtls_sha1_context
 {
     uint32_t total[2];          /*!< The number of Bytes processed.  */
     uint32_t state[5];          /*!< The intermediate digest state.  */
diff --git a/include/mbedtls/sha256.h b/include/mbedtls/sha256.h
index adf31a82e..33aff2831 100644
--- a/include/mbedtls/sha256.h
+++ b/include/mbedtls/sha256.h
@@ -53,7 +53,7 @@ extern "C" {
  *                 checksum calculations. The choice between these two is
  *                 made in the call to mbedtls_sha256_starts_ret().
  */
-typedef struct
+typedef struct mbedtls_sha256_context
 {
     uint32_t total[2];          /*!< The number of Bytes processed.  */
     uint32_t state[8];          /*!< The intermediate digest state.  */
diff --git a/include/mbedtls/sha512.h b/include/mbedtls/sha512.h
index 5bb83f43b..014589042 100644
--- a/include/mbedtls/sha512.h
+++ b/include/mbedtls/sha512.h
@@ -52,7 +52,7 @@ extern "C" {
  *                 checksum calculations. The choice between these two is
  *                 made in the call to mbedtls_sha512_starts_ret().
  */
-typedef struct
+typedef struct mbedtls_sha512_context
 {
     uint64_t total[2];          /*!< The number of Bytes processed. */
     uint64_t state[8];          /*!< The intermediate digest state. */
diff --git a/include/mbedtls/ssl_cookie.h b/include/mbedtls/ssl_cookie.h
index 80b65bbbb..6a0ad4fa9 100644
--- a/include/mbedtls/ssl_cookie.h
+++ b/include/mbedtls/ssl_cookie.h
@@ -50,7 +50,7 @@ extern "C" {
 /**
  * \brief          Context for the default cookie functions.
  */
-typedef struct
+typedef struct mbedtls_ssl_cookie_ctx
 {
     mbedtls_md_context_t    hmac_ctx;   /*!< context for the HMAC portion   */
 #if !defined(MBEDTLS_HAVE_TIME)
diff --git a/include/mbedtls/ssl_ticket.h b/include/mbedtls/ssl_ticket.h
index 93ad46ac9..b2686df09 100644
--- a/include/mbedtls/ssl_ticket.h
+++ b/include/mbedtls/ssl_ticket.h
@@ -44,7 +44,7 @@ extern "C" {
 /**
  * \brief   Information for session ticket protection
  */
-typedef struct
+typedef struct mbedtls_ssl_ticket_key
 {
     unsigned char name[4];          /*!< random key identifier              */
     uint32_t generation_time;       /*!< key generation timestamp (seconds) */
@@ -55,7 +55,7 @@ mbedtls_ssl_ticket_key;
 /**
  * \brief   Context for session ticket handling functions
  */
-typedef struct
+typedef struct mbedtls_ssl_ticket_context
 {
     mbedtls_ssl_ticket_key keys[2]; /*!< ticket protection keys             */
     unsigned char active;           /*!< index of the currently active key  */
diff --git a/include/mbedtls/threading.h b/include/mbedtls/threading.h
index c25daa5cd..5112ebb74 100644
--- a/include/mbedtls/threading.h
+++ b/include/mbedtls/threading.h
@@ -42,7 +42,7 @@ extern "C" {
 
 #if defined(MBEDTLS_THREADING_PTHREAD)
 #include <pthread.h>
-typedef struct
+typedef struct mbedtls_threading_mutex_t
 {
     pthread_mutex_t mutex;
     char is_valid;
diff --git a/include/mbedtls/timing.h b/include/mbedtls/timing.h
index bbcb90688..a965fe0d3 100644
--- a/include/mbedtls/timing.h
+++ b/include/mbedtls/timing.h
@@ -51,7 +51,7 @@ struct mbedtls_timing_hr_time
 /**
  * \brief          Context for mbedtls_timing_set/get_delay()
  */
-typedef struct
+typedef struct mbedtls_timing_delay_context
 {
     struct mbedtls_timing_hr_time   timer;
     uint32_t                        int_ms;
diff --git a/include/mbedtls/x509_crt.h b/include/mbedtls/x509_crt.h
index ac23cffe8..d41ec93a6 100644
--- a/include/mbedtls/x509_crt.h
+++ b/include/mbedtls/x509_crt.h
@@ -105,7 +105,7 @@ mbedtls_x509_crt;
  *
  * All lists are bitfields, built by ORing flags from MBEDTLS_X509_ID_FLAG().
  */
-typedef struct
+typedef struct mbedtls_x509_crt_profile
 {
     uint32_t allowed_mds;       /**< MDs for signatures         */
     uint32_t allowed_pks;       /**< PK algs for signatures     */
diff --git a/include/mbedtls/xtea.h b/include/mbedtls/xtea.h
index 8df708a3a..c70c3fe26 100644
--- a/include/mbedtls/xtea.h
+++ b/include/mbedtls/xtea.h
@@ -50,7 +50,7 @@ extern "C" {
 /**
  * \brief          XTEA context structure
  */
-typedef struct
+typedef struct mbedtls_xtea_context
 {
     uint32_t k[4];       /*!< key */
 }