diff --git a/include/draw_frame.h b/include/draw_frame.h
index 135d01478f..f7fb6ed023 100644
--- a/include/draw_frame.h
+++ b/include/draw_frame.h
@@ -148,6 +148,12 @@ protected:
      */
     virtual void unitsChangeRefresh();
 
+    /**
+     * Helper function to coerce all colors to legacy-compatible when
+     * switching from GAL to legacy canvas
+     */
+    virtual void forceColorsToLegacy() {}
+
     /**
      * Function GeneralControlKeyMovement
      * Handle the common part of GeneralControl dedicated to global
diff --git a/include/wxPcbStruct.h b/include/wxPcbStruct.h
index 84788ef517..c5c7b57179 100644
--- a/include/wxPcbStruct.h
+++ b/include/wxPcbStruct.h
@@ -123,11 +123,8 @@ protected:
      */
     virtual void SwitchCanvas( wxCommandEvent& aEvent ) override;
 
-    /**
-     * Helper function to coerce all colors to legacy-compatible when
-     * switching from GAL to legacy canvas
-     */
-    void forceColorsToLegacy();
+    ///> @copydoc EDA_DRAW_FRAME::forceColorsToLegacy()
+    virtual void forceColorsToLegacy() override;
 
 #if defined(KICAD_SCRIPTING) && defined(KICAD_SCRIPTING_ACTION_MENU)
     /**