diff --git a/classes/studyplan.php b/classes/studyplan.php
index 2064e67..6a8e358 100644
--- a/classes/studyplan.php
+++ b/classes/studyplan.php
@@ -183,15 +183,15 @@ class studyplan {
                     $file->get_filename(),
                     false                     // Do not force download of the file.
                 );
-                return $url->out;
+                return $url->out();
             }
         }
 
         // Try the configured default in settings.
         $defaulticon = get_config('local_treestudyplan', 'defaulticon');
         if (empty($defaulticon)) {
-                // Fall back to the standard (ugly) default image.
-                $url = new \moodle_url($CFG->wwwroot . "/local/treestudyplan/pix/default_icon.png");
+            // Fall back to the standard (ugly) default image.
+            $url = new \moodle_url($CFG->wwwroot . "/local/treestudyplan/pix/default_icon.png");
         } else {
             $url = \moodle_url::make_pluginfile_url(
                         \context_system::instance()->id,