diff --git a/pcbnew/pcad2kicadpcb_plugin/pcb_keepout.h b/pcbnew/pcad2kicadpcb_plugin/pcb_keepout.h
index d6b951312d..fbd1c57a47 100644
--- a/pcbnew/pcad2kicadpcb_plugin/pcb_keepout.h
+++ b/pcbnew/pcad2kicadpcb_plugin/pcb_keepout.h
@@ -44,7 +44,7 @@ public:
 
     virtual bool Parse( XNODE*          aNode,
                         wxString        aDefaultMeasurementUnit,
-                        wxString        aActualConversion );
+                        wxString        aActualConversion ) override;
 };
 
 } // namespace PCAD2KICAD