From 39560b9ce60ba8d402b155cf26172d5fb8b8a1ed Mon Sep 17 00:00:00 2001
From: zane <zane.mccaig@mail.mcgill.ca>
Date: Wed, 18 Feb 2015 11:05:53 -0400
Subject: [PATCH] Fix for issue 1099.

Signed-off-by: zane <zane.mccaig@mail.mcgill.ca>
---
 common/models/role.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/common/models/role.js b/common/models/role.js
index 595b4eac..7dc45dea 100644
--- a/common/models/role.js
+++ b/common/models/role.js
@@ -104,8 +104,11 @@ module.exports = function(Role) {
   });
 
   function isUserClass(modelClass) {
-    return modelClass === loopback.User ||
-      modelClass.prototype instanceof loopback.User;
+    if (modelClass) {
+      return modelClass === loopback.User ||
+        modelClass.prototype instanceof loopback.User;
+    }
+    else return false;
   }
 
   /*!