diff --git a/src/Tags.cpp b/src/Tags.cpp
index dd6ab9046..97c8f4ee6 100644
--- a/src/Tags.cpp
+++ b/src/Tags.cpp
@@ -534,7 +534,7 @@ public:
    {
    }
 
-   virtual void PaintBackground(const wxRect& WXUNUSED(rectCell), wxGridCellAttr * WXUNUSED(attr))
+   void PaintBackground(wxDC&, const wxRect& WXUNUSED(rectCell), const wxGridCellAttr & WXUNUSED(attr)) override
    {
       // Ignore it (a must on the Mac as the erasure causes problems.)
    }