diff --git a/sao/src/view/tree.js b/sao/src/view/tree.js
index 51647b3a3e..a22763867c 100644
--- a/sao/src/view/tree.js
+++ b/sao/src/view/tree.js
@@ -2196,7 +2196,7 @@
             return this.attributes.name;
         },
         get model_name() {
-            return model.name;
+            return this.model.name;
         },
         get_cell: function() {
             var cell = jQuery('<div/>', {