diff --git a/components/mbedtls/port/include/mbedtls/esp_config.h b/components/mbedtls/port/include/mbedtls/esp_config.h
index c81bf1a06e..3d65969359 100644
--- a/components/mbedtls/port/include/mbedtls/esp_config.h
+++ b/components/mbedtls/port/include/mbedtls/esp_config.h
@@ -1326,7 +1326,7 @@
  *
  * Comment this macro to disable support for truncated HMAC in SSL
  */
-#define MBEDTLS_SSL_TRUNCATED_HMAC
+//#define MBEDTLS_SSL_TRUNCATED_HMAC
 
 /**
  * \def MBEDTLS_THREADING_ALT