diff --git a/includes/html/forms/discover-service-template.inc.php b/includes/html/forms/discover-service-template.inc.php
index da644a56a8..38af762287 100644
--- a/includes/html/forms/discover-service-template.inc.php
+++ b/includes/html/forms/discover-service-template.inc.php
@@ -19,11 +19,10 @@ $service_template_id = $vars['service_template_id'];
 $device_group_id = $vars['device_group_id'];
 
 if (is_numeric($service_template_id) && is_numeric($device_group_id)) {
-    $service_template = discover_service_template($device_group_id, $service_template_id);
-    if ($service_template == null) {
-        $status = ['status' =>1, 'message' => 'Device Group: <i>' . $device_group_id . ', Service Template: <i>' . $service_template_id . ', has NOT been discovered.</i>'];
-    } else {
+    if (discover_service_template($device_group_id, $service_template_id)) {
         $status = ['status' =>0, 'message' => 'Device Group: <i>' . $device_group_id . ', Service Template: <i>' . $service_template_id . ', has been discovered.</i>'];
+    } else {
+        $status = ['status' =>1, 'message' => 'Device Group: <i>' . $device_group_id . ', Service Template: <i>' . $service_template_id . ', has NOT been discovered.</i>'];        
     }
 }
 header('Content-Type: application/json');