diff --git a/ChangeLog.d/psa_generate_key-curve25519.txt b/ChangeLog.d/psa_generate_key-curve25519.txt
new file mode 100644
index 000000000..24b6fcfe2
--- /dev/null
+++ b/ChangeLog.d/psa_generate_key-curve25519.txt
@@ -0,0 +1,3 @@
+Bugfix
+   * Fix psa_generate_key() returning an error when asked to generate
+     an ECC key pair on Curve25519 or secp244k1.
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 931e2e915..3182a0acf 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -6110,8 +6110,6 @@ static psa_status_t psa_generate_key_internal(
             return( PSA_ERROR_NOT_SUPPORTED );
         if( grp_id == MBEDTLS_ECP_DP_NONE || curve_info == NULL )
             return( PSA_ERROR_NOT_SUPPORTED );
-        if( curve_info->bit_size != bits )
-            return( PSA_ERROR_INVALID_ARGUMENT );
         mbedtls_ecp_keypair_init( &ecp );
         ret = mbedtls_ecp_gen_key( grp_id, &ecp,
                                    mbedtls_ctr_drbg_random,