diff --git a/WEB/Controller/UserController.php b/WEB/Controller/UserController.php
index cecb2ea8..8ef1e855 100644
--- a/WEB/Controller/UserController.php
+++ b/WEB/Controller/UserController.php
@@ -208,7 +208,7 @@ class UserController
             $usergroup = $model->findUserGroup();
             echo
             '<script>
-                io.to($userGroup).emit("launchGame");
+                io.to('.$userGroup.').emit("launchGame");
             <script/>';
 
         } catch (Exception $e) {