diff --git a/eva_plugin_display_entity.inc b/eva_plugin_display_entity.inc
index 6aa7a61..40d9a01 100755
--- a/eva_plugin_display_entity.inc
+++ b/eva_plugin_display_entity.inc
@@ -311,7 +311,7 @@ function pre_execute() {
           $this->view->args = $new_args;
         }
       }
-      elseif ($arg_mode == 'id') {
+      elseif ($arg_mode == 'id' && isset($entity->{$entity_info['entity keys']['id']})) {
         $this->view->args = array($entity->{$entity_info['entity keys']['id']});
       }
     }