diff --git a/migrations/20140823_remove_undefined_and_false_notifications.js b/migrations/20140823_remove_undefined_and_false_notifications.js
new file mode 100644
index 0000000000..77882c4be7
--- /dev/null
+++ b/migrations/20140823_remove_undefined_and_false_notifications.js
@@ -0,0 +1,13 @@
+db.users.find({}).forEach(function(user){
+  var newNewMessages = {};
+
+ for(var key in user.newMessages) {
+    var val = user.newMessages[key];
+    // print("\n" + key + " " + val);
+    if(key != "undefined" && val['value']){
+      newNewMessages[key] = val;
+    }
+ }
+
+  db.users.update({_id: user._id}, {$set: {'newMessages': newNewMessages}});
+});
diff --git a/public/js/services/groupServices.js b/public/js/services/groupServices.js
index ebfcc56319..85214eba79 100644
--- a/public/js/services/groupServices.js
+++ b/public/js/services/groupServices.js
@@ -47,7 +47,7 @@ angular.module('groupServices', ['ngResource']).
           // On enter, set chat message to "seen"
           seenMessage: function(gid){
             $http.post('/api/v2/groups/'+gid+'/chat/seen');
-            if (User.user.newMessages) User.user.newMessages[gid] = false;
+            if (User.user.newMessages) delete User.user.newMessages[gid];
           },
 
           // Pass reference to party, myGuilds, publicGuilds, tavern; inside data in order to
diff --git a/src/controllers/groups.js b/src/controllers/groups.js
index d867f0048d..c126373484 100644
--- a/src/controllers/groups.js
+++ b/src/controllers/groups.js
@@ -257,8 +257,8 @@ api.seenMessage = function(req,res,next){
   // Skip the auth step, we want this to be fast. If !found with uuid/token, then it just doesn't save
   // Check for req.params.gid to exist
   if(req.params.gid){
-    var update = {$set:{}};
-    update['$set']['newMessages.'+req.params.gid+'.value'] = false;
+    var update = {$unset:{}};
+    update['$unset']['newMessages.'+req.params.gid] = '';
     User.update({_id:req.headers['x-api-user'], apiToken:req.headers['x-api-key']},update).exec();
   }
   res.send(200);