diff --git a/src/ArduinoJson.hpp b/src/ArduinoJson.hpp
index fa353bff..5188d5ea 100644
--- a/src/ArduinoJson.hpp
+++ b/src/ArduinoJson.hpp
@@ -4,11 +4,13 @@
 
 #pragma once
 
+#ifndef ARDUINOJSON_DEBUG
 #ifdef __clang__
 #pragma clang system_header
 #elif defined __GNUC__
 #pragma GCC system_header
 #endif
+#endif
 
 #include "ArduinoJson/Namespace.hpp"