diff --git a/extenders/extendergroup.cpp b/extenders/extendergroup.cpp
index 7fa03c2e2..396cffcf6 100644
--- a/extenders/extendergroup.cpp
+++ b/extenders/extendergroup.cpp
@@ -281,6 +281,7 @@ void ExtenderGroup::dropEvent(QGraphicsSceneDragDropEvent *event)
             QApplication::restoreOverrideCursor();
             d->layout->removeItem(d->spacerWidget);
             d->spacerWidget->deleteLater();
+            d->spacerWidget = 0;
         }
     }
 }