diff --git a/lib/filesystem.php b/lib/filesystem.php
index bd68831a7117e5dfa4f8bc81425dbf8e2c313007..93f524233324d98db41ab0aba26c7f2668701c11 100644
--- a/lib/filesystem.php
+++ b/lib/filesystem.php
@@ -443,3 +443,5 @@ class OC_Filesystem{
 		return null;
 	}
 }
+
+require_once('filecache.php');