diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index a171f0894b..92027611b5 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -660,7 +660,7 @@ Q_CORE_EXPORT void qt_assert(const char *assertion, const char *file, int line)
 
 #if !defined(Q_ASSERT)
 #  if defined(QT_NO_DEBUG) && !defined(QT_FORCE_ASSERTS)
-#    define Q_ASSERT(cond) do { } while (false && (cond))
+#    define Q_ASSERT(cond) do { } while ((false) && (cond))
 #  else
 #    define Q_ASSERT(cond) ((!(cond)) ? qt_assert(#cond,__FILE__,__LINE__) : qt_noop())
 #  endif