diff --git a/src/plugins/platforms/cocoa/qnsview.mm b/src/plugins/platforms/cocoa/qnsview.mm
index 83a5ded1207..12ca6106732 100644
--- a/src/plugins/platforms/cocoa/qnsview.mm
+++ b/src/plugins/platforms/cocoa/qnsview.mm
@@ -168,6 +168,8 @@ QT_NAMESPACE_ALIAS_OBJC_CLASS(QNSViewMenuHelper);
 {
     qCDebug(lcQpaWindow) << "Deallocating" << self;
 
+    self.menuHelper = nil;
+
     [[NSNotificationCenter defaultCenter] removeObserver:self];
     [m_mouseMoveHelper release];