diff --git a/source/Security/protocols/tls_sec_prot/tls_sec_prot_lib.c b/source/Security/protocols/tls_sec_prot/tls_sec_prot_lib.c
index 05a721c517d1..817862390e2b 100644
--- a/source/Security/protocols/tls_sec_prot/tls_sec_prot_lib.c
+++ b/source/Security/protocols/tls_sec_prot/tls_sec_prot_lib.c
@@ -24,7 +24,7 @@
 #include MBEDTLS_CONFIG_FILE
 #endif
 
-#if defined(MBEDTLS_SSL_TLS_C)
+#if defined(MBEDTLS_SSL_TLS_C) && defined(MBEDTLS_X509_CRT_PARSE_C)
 #define WS_MBEDTLS_SECURITY_ENABLED
 #endif