diff --git a/plugin/search_course/lib/search_course_widget.class.php b/plugin/search_course/lib/search_course_widget.class.php
index 39e5977d9a..7a3b7c4d0e 100755
--- a/plugin/search_course/lib/search_course_widget.class.php
+++ b/plugin/search_course/lib/search_course_widget.class.php
@@ -58,7 +58,7 @@ class SearchCourseWidget
         $url = self::server('REQUEST_URI');
         $url = explode('?', $url);
         $url = reset($url);
-        $url = self::server('SERVER_NAME').$url;
+        $url = self::server('HTTP_HOST').$url;
 
         $root = api_get_path('WEB_PATH');
         $root = str_replace('https://', '', $root);