diff --git a/src/Mod/Spreadsheet/Gui/ViewProviderSpreadsheet.h b/src/Mod/Spreadsheet/Gui/ViewProviderSpreadsheet.h
index 571d41955f..63510cf11b 100644
--- a/src/Mod/Spreadsheet/Gui/ViewProviderSpreadsheet.h
+++ b/src/Mod/Spreadsheet/Gui/ViewProviderSpreadsheet.h
@@ -70,7 +70,7 @@ public:
 
     inline SheetView* getView() const { return view; }
 
-    PyObject *getPyObject();
+    PyObject *getPyObject() override;
 
 protected:
     SheetView* showSpreadsheetView();