diff --git a/src/controllers/groups.js b/src/controllers/groups.js
index 1a06bb8e72..0ff6728cb6 100644
--- a/src/controllers/groups.js
+++ b/src/controllers/groups.js
@@ -218,7 +218,7 @@ api.join = function(req, res, next) {
   }
   else if (group.type == 'guild' && user.invitations && user.invitations.guilds) {
     var i = _.findIndex(user.invitations.guilds, {id:group._id});
-    if (~i) user.invitations.guilds.splice(i,1);
+    if (~i) user.invitations.guilds.slice(i,1);
     user.save();
   }