diff --git a/src/Mod/Web/Gui/BrowserView.h b/src/Mod/Web/Gui/BrowserView.h
index fae6c608b0..b36e505b32 100644
--- a/src/Mod/Web/Gui/BrowserView.h
+++ b/src/Mod/Web/Gui/BrowserView.h
@@ -97,6 +97,8 @@ public:
     bool onMsg(const char* pMsg,const char** ppReturn);
     bool onHasMsg(const char* pMsg) const;
 
+    bool canClose (void);
+
 #ifdef QTWEBENGINE
     void setWindowIcon(const QIcon &icon);
 #endif