diff --git a/source/jeger.c b/source/jeger.c
index 117b65d..3b56c04 100644
--- a/source/jeger.c
+++ b/source/jeger.c
@@ -1,4 +1,6 @@
-#pragma GCC diagnostic ignored "-Wc++20-extensions"
+#if __cplusplus
+# pragma GCC diagnostic ignored "-Wc++20-extensions"
+#endif
 
 #include "jeger.h"