diff --git a/panels/dock/pluginmanagerextension_p.h b/panels/dock/pluginmanagerextension_p.h
index 4804812a0..ccf3f0bc1 100644
--- a/panels/dock/pluginmanagerextension_p.h
+++ b/panels/dock/pluginmanagerextension_p.h
@@ -108,8 +108,8 @@ private Q_SLOTS:
 private:
     QList<PluginSurface*> m_pluginSurfaces;
 
-    uint32_t m_dockPosition;
-    uint32_t m_dockColorTheme;
+    uint32_t m_dockPosition = 0;
+    uint32_t m_dockColorTheme = 0;
     QSize m_dockSize;
     int m_popupMinHeight = 0;
 };