diff --git a/configs/config-ccm-psk-dtls1_2.h b/configs/config-ccm-psk-dtls1_2.h
index 982bc2ce2..78b75c860 100644
--- a/configs/config-ccm-psk-dtls1_2.h
+++ b/configs/config-ccm-psk-dtls1_2.h
@@ -61,6 +61,7 @@
 #define MBEDTLS_SSL_PROTO_TLS1_2
 #define MBEDTLS_SSL_PROTO_DTLS
 #define MBEDTLS_SSL_DTLS_ANTI_REPLAY
+#define MBEDTLS_SSL_DTLS_BADMAC_LIMIT
 #define MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE
 #define MBEDTLS_SSL_DTLS_CONNECTION_ID
 #define MBEDTLS_SSL_DTLS_HELLO_VERIFY