diff --git a/src/thirdparty/fff.h b/src/thirdparty/fff.h
index aa38912..a5ea2f9 100644
--- a/src/thirdparty/fff.h
+++ b/src/thirdparty/fff.h
@@ -26,6 +26,8 @@ SOFTWARE.
 #ifndef FAKE_FUNCTIONS
 #define FAKE_FUNCTIONS
 
+#pragma GCC system_header
+
 #include <stdarg.h>
 #include <string.h> /* For memset and memcpy */