diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index 0a46d2a8eba..c347ca0b599 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -11148,7 +11148,7 @@ void QWidgetPrivate::macUpdateSizeAttribute()
     for (int i = 0; i < children.size(); ++i) {
         QWidget *w = qobject_cast<QWidget *>(children.at(i));
         if (w && (!w->isWindow() || w->testAttribute(Qt::WA_WindowPropagation))
-              && !q->testAttribute(Qt::WA_MacMiniSize) // no attribute set? inherit from parent
+              && !w->testAttribute(Qt::WA_MacMiniSize) // no attribute set? inherit from parent
               && !w->testAttribute(Qt::WA_MacSmallSize)
               && !w->testAttribute(Qt::WA_MacNormalSize))
             w->d_func()->macUpdateSizeAttribute();