diff --git a/plugins/views_plugin_display.inc b/plugins/views_plugin_display.inc
index b7aa6ce..b7306eb 100644
--- a/plugins/views_plugin_display.inc
+++ b/plugins/views_plugin_display.inc
@@ -269,7 +269,9 @@ class views_plugin_display extends views_plugin {
     }
 
     foreach ($this->extender as $extender) {
-      $extender->destroy();
+      if (is_object($extender)) {
+        $extender->destroy();
+      }
     }
   }