diff --git a/src/plugins/debugger/debuggerplugin.cpp b/src/plugins/debugger/debuggerplugin.cpp
index f501757be9c84315969c96f8496e66ba6a35ea72..f31de7d97748d0018694ac799abed8bdded59b6e 100644
--- a/src/plugins/debugger/debuggerplugin.cpp
+++ b/src/plugins/debugger/debuggerplugin.cpp
@@ -3259,7 +3259,7 @@ void DebuggerPluginPrivate::extensionsInitialized()
 
     m_mainWindow->setToolBar(CppLanguage, toolbarContainer);
 
-    QWidget *qmlToolbar = new QWidget;
+    QWidget *qmlToolbar = new QWidget(m_mainWindow);
     hbox = new QHBoxLayout(qmlToolbar);
     hbox->setMargin(0);
     hbox->setSpacing(0);