diff --git a/src/corelib/global/qcompilerdetection.h b/src/corelib/global/qcompilerdetection.h
index a5c7cf4a912..df27cbf10c8 100644
--- a/src/corelib/global/qcompilerdetection.h
+++ b/src/corelib/global/qcompilerdetection.h
@@ -78,7 +78,9 @@
 #  if _MSC_VER < 1938 // stdext is deprecated since VS 2022 17.8
 #    define QT_MAKE_CHECKED_ARRAY_ITERATOR(x, N) stdext::make_checked_array_iterator(x, size_t(N)) // Since _MSC_VER >= 1500
 #  endif
-#  define Q_COMPILER_COMPLAINS_ABOUT_RETURN_AFTER_UNREACHABLE
+#  ifdef Q_CC_MSVC_ONLY
+#    define Q_COMPILER_COMPLAINS_ABOUT_RETURN_AFTER_UNREACHABLE
+#  endif
 
 #elif defined(__BORLANDC__) || defined(__TURBOC__)
 #  define Q_CC_BOR