diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index c675cbd..3c3c1ce 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -47,7 +47,7 @@
  * certificates on the client side.
  *
  */
-#define MBEDTLS_DELAYED_SERVER_CERT_VERIFICATION
+//#define MBEDTLS_DELAYED_SERVER_CERT_VERIFICATION
 
 /**
  * \def MBEDTLS_HAVE_ASM