diff --git a/src/ui/toolbar/MainToolBar.cc b/src/ui/toolbar/MainToolBar.cc
index c4435540d633a5ab9864ef425ec57155b5ee7181..2091dac8fb088c1e484e1465b8f121d458c54d4a 100644
--- a/src/ui/toolbar/MainToolBar.cc
+++ b/src/ui/toolbar/MainToolBar.cc
@@ -35,8 +35,9 @@ This file is part of the QGROUNDCONTROL project
 #include "UASMessageHandler.h"
 #include "UASMessageView.h"
 
-MainToolBar::MainToolBar()
-    : _mav(NULL)
+MainToolBar::MainToolBar(QWidget* parent)
+    : QGCQmlWidgetHolder(parent)
+    , _mav(NULL)
     , _toolBar(NULL)
     , _currentView(ViewNone)
     , _batteryVoltage(0.0)
diff --git a/src/ui/toolbar/MainToolBar.h b/src/ui/toolbar/MainToolBar.h
index 3764b1b77e6e6c525649329d01572c3b42cdc3aa..9d9fab3a402634348fc57ec57a1383131451d782 100644
--- a/src/ui/toolbar/MainToolBar.h
+++ b/src/ui/toolbar/MainToolBar.h
@@ -42,7 +42,7 @@ class MainToolBar : public QGCQmlWidgetHolder
     Q_ENUMS(ViewType_t)
     Q_ENUMS(MessageType_t)
 public:
-    MainToolBar();
+    MainToolBar(QWidget* parent = NULL);
     ~MainToolBar();
 
     typedef enum {