diff --git a/webseite/classes/TopicData.php b/webseite/classes/TopicData.php
index 5ef3e87..95d7177 100644
--- a/webseite/classes/TopicData.php
+++ b/webseite/classes/TopicData.php
@@ -347,8 +347,8 @@ class TopicData
         $this->files = array_diff($this->files, $nonexistentEntries);
 
         foreach (Util::getFilesFromDirectory(Config::getTopicDirectory($this->subjectId, $this->id) . "downloads/") as $file) {
-            if(!array_search($file, $this->files) === false) {
-                Util::delete(Config::getTopicDirectory($this->subjectId, $this->id) . "downloads/$file");
+            if(!array_search($file, $this->files)) {
+                $this->deleteDownload($file);
                 $changed = true;
             }
         }