diff --git a/pcbnew/board_items_to_polygon_shape_transform.cpp b/pcbnew/board_items_to_polygon_shape_transform.cpp
index 102df1fdfa..9eed5d19c2 100644
--- a/pcbnew/board_items_to_polygon_shape_transform.cpp
+++ b/pcbnew/board_items_to_polygon_shape_transform.cpp
@@ -144,7 +144,7 @@ void MODULE::TransformGraphicShapesWithClearanceToPolygonSet(
 
             default:
                 D( printf( "Error: Shape %d not implemented!\n",
-                    ((EDGE_MODULE*) item)->GetShape() ); )
+                        outline->GetShape() ); )
                 break;
             }
                 break;