diff --git a/src/libs/advanceddockingsystem/dockmanager.cpp b/src/libs/advanceddockingsystem/dockmanager.cpp
index 768003d44a6..63c71c7a8ad 100644
--- a/src/libs/advanceddockingsystem/dockmanager.cpp
+++ b/src/libs/advanceddockingsystem/dockmanager.cpp
@@ -83,8 +83,8 @@ namespace ADS
         DockManager *q;
         QList<FloatingDockContainer *> m_floatingWidgets;
         QList<DockContainerWidget *> m_containers;
-        DockOverlay *m_containerOverlay;
-        DockOverlay *m_dockAreaOverlay;
+        DockOverlay *m_containerOverlay = nullptr;
+        DockOverlay *m_dockAreaOverlay = nullptr;
         QMap<QString, DockWidget *> m_dockWidgetsMap;
         bool m_restoringState = false;
         QVector<FloatingDockContainer *> m_uninitializedFloatingWidgets;
@@ -95,7 +95,7 @@ namespace ADS
         QHash<QString, QDateTime> m_workspaceDateTimes;
         QString m_workspaceToRestoreAtStartup;
         bool m_autorestoreLastWorkspace; // This option is set in the Workspace Manager!
-        QSettings *m_settings;
+        QSettings *m_settings = nullptr;
 
         /**
          * Private data constructor