diff --git a/utest.h b/utest.h
index 62660c3..90ee593 100644
--- a/utest.h
+++ b/utest.h
@@ -92,16 +92,18 @@
   __declspec(allocate(".CRT$XCU")) void(__cdecl * f##_)(void) = f;             \
   static void __cdecl f(void)
 #else
-#if defined(__clang__)
+#if defined(__linux__)
+#if defined(__clang__) && __has_warning("-Wreserved-id-macro")
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wreserved-id-macro"
 #endif
 
 #define __STDC_FORMAT_MACROS 1
 
-#if defined(__clang__)
+#if defined(__clang__) && __has_warning("-Wreserved-id-macro")
 #pragma clang diagnostic pop
 #endif
+#endif
 
 #include <inttypes.h>