diff --git a/src/controllers/groups.js b/src/controllers/groups.js
index 249b4bd2ca..29a4954eec 100644
--- a/src/controllers/groups.js
+++ b/src/controllers/groups.js
@@ -254,9 +254,12 @@ api.deleteChatMessage = function(req, res, next){
 
 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
-  var update = {$set:{}};
-  update['$set']['newMessages.'+req.params.gid+'.value'] = false;
-  User.update({_id:req.headers['x-api-user'], apiToken:req.headers['x-api-key']},update).exec();
+  // Check for req.params.gid to exist
+  if(req.params.gid){
+    var update = {$set:{}};
+    update['$set']['newMessages.'+req.params.gid+'.value'] = false;
+    User.update({_id:req.headers['x-api-user'], apiToken:req.headers['x-api-key']},update).exec();
+  }
   res.send(200);
 }