diff --git a/classes/external/mod_plugnmeet_create_room.php b/classes/external/mod_plugnmeet_create_room.php
index f81b48e..19d3171 100644
--- a/classes/external/mod_plugnmeet_create_room.php
+++ b/classes/external/mod_plugnmeet_create_room.php
@@ -94,7 +94,7 @@ public static function create_room($instanceid, $join, $isadmin) {
 
         $connect = new PlugNmeetConnect($config);
         try {
-            $logout_url = $PAGE->url->get_scheme() . "://".$PAGE->url->get_host() . "/mod/plugnmeet/view.php?id=" . $cm->id;
+            $logouturl = $PAGE->url->get_scheme() . "://".$PAGE->url->get_host() . "/mod/plugnmeet/view.php?id=" . $cm->id;
             $extradata = json_encode(array(
                 "platform" => "moodle",
                 "php-version" => phpversion(),
@@ -111,7 +111,7 @@ public static function create_room($instanceid, $join, $isadmin) {
                 "",
                 $roommetadata,
                 0,
-                $logout_url,
+                $logouturl,
                 $extradata);
 
             $result['status'] = $res->getStatus();