diff --git a/src/Service/MQTTClient.php b/src/Service/MQTTClient.php
index 12973116..fc1d1493 100644
--- a/src/Service/MQTTClient.php
+++ b/src/Service/MQTTClient.php
@@ -43,7 +43,7 @@ class MQTTClient
 
         $new_sessions = [];
         $cust_user = $job_order->getCustomer()->getCustomerUser();
-        if ($cust_user->isEmpty()) {
+        if (!empty($cust_user)) {
             $new_sessions = $cust_user->getMobileSessions();
         }