diff --git a/application/Espo/Core/WebSocket/Pusher.php b/application/Espo/Core/WebSocket/Pusher.php
index fbdb8c82ca..7dbdf48fd8 100644
--- a/application/Espo/Core/WebSocket/Pusher.php
+++ b/application/Espo/Core/WebSocket/Pusher.php
@@ -165,8 +165,7 @@ class Pusher implements WampServerInterface
 
     protected function isTopicAllowed($topicId)
     {
-        list($category) = explode('.', $topicId);
-        return in_array($category, $this->categoryList);
+        return in_array($topicId, $this->categoryList);
     }
 
     protected function getConnectionIdListByUserId($userId)