diff --git a/src/Gui/Command.h b/src/Gui/Command.h
index 255a7dd2f6..7b77d4a4c0 100644
--- a/src/Gui/Command.h
+++ b/src/Gui/Command.h
@@ -184,7 +184,7 @@ public:
     /// Get pointer to the Application Window
     static Application*  getGuiApplication(void);   
     /// Get a reference to the selection 
-    Gui::SelectionSingleton&  getSelection(void);
+    static Gui::SelectionSingleton&  getSelection(void);
     /// Get pointer to the active gui document
     Gui::Document*  getActiveGuiDocument(void) const;
     /** Get pointer to the named or active App document