diff --git a/website/src/models/group.js b/website/src/models/group.js
index d776377488..e60f2de8e7 100644
--- a/website/src/models/group.js
+++ b/website/src/models/group.js
@@ -7,6 +7,7 @@ var logging = require('../logging');
 
 var GroupSchema = new Schema({
   _id: {type: String, 'default': shared.uuid},
+  _isMember: Boolean,
   name: String,
   description: String,
   leader: {type: String, ref: 'User'},