diff --git a/src/corelib/global/qtconfigmacros.h b/src/corelib/global/qtconfigmacros.h
index 665ae9f5711..141932af63e 100644
--- a/src/corelib/global/qtconfigmacros.h
+++ b/src/corelib/global/qtconfigmacros.h
@@ -227,7 +227,9 @@ namespace QT_NAMESPACE {}
 #endif // 6.8.0
 
 #if QT_ENABLE_STRICT_MODE_UP_TO >= QT_VERSION_CHECK(6, 9, 0)
+# ifndef QT_NO_QSNPRINTF
 #  define QT_NO_QSNPRINTF
+# endif
 #endif // 6.9.0
 #endif // QT_ENABLE_STRICT_MODE_UP_TO