diff --git a/macosx/DragOverlayWindow.m b/macosx/DragOverlayWindow.m
index 6f0c520f9..b0391fd91 100644
--- a/macosx/DragOverlayWindow.m
+++ b/macosx/DragOverlayWindow.m
@@ -104,6 +104,7 @@
                 }
             }
             tr_metainfoFree(&info);
+            tr_ctorFree(ctor);
         }
     }