diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/functions/static/js/function.js b/web/pgadmin/browser/server_groups/servers/databases/schemas/functions/static/js/function.js
index b478870..55fa3b6 100644
--- a/web/pgadmin/browser/server_groups/servers/databases/schemas/functions/static/js/function.js
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/functions/static/js/function.js
@@ -130,6 +130,7 @@ define('pgadmin.node.function', [
 
       },
       model: pgBrowser.Node.Model.extend({
+        idAttribute: 'oid',
         initialize: function(attrs, args) {
           var isNew = (_.size(attrs) === 0);
           if (isNew) {