diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 3b11309..d515eb1 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -2267,7 +2267,8 @@
  * \return         0 if successful, or
  *                 MBEDTLS_ERR_XXX_ALLOC_FAILED on memorr allocation error.
  */
-int mbedtls_ssl_config_defaults( mbedtls_ssl_config *conf );
+int mbedtls_ssl_config_defaults( mbedtls_ssl_config *conf,
+                                 int endpoint, int transport );
 
 /**
  * \brief          Free an SSL configuration context