diff --git a/admin/mnet/testclient.php b/admin/mnet/testclient.php
index f370866b0b8b9..f0b4dd2ff6ba4 100644
--- a/admin/mnet/testclient.php
+++ b/admin/mnet/testclient.php
@@ -157,7 +157,7 @@
     $table->data = array();
 
     foreach ($methods as $id => $method) {
-        $params = array('hostid' => $host->id, 'method' => $id+1);
+        $params = ['hostid' => $host->id, 'method' => intval($id) + 1];
         if (isset($servicename)) {
             $params['servicename'] = $servicename;
         }