diff --git a/api/src/Vfs.php b/api/src/Vfs.php
index ae2de39a62..42191b3190 100644
--- a/api/src/Vfs.php
+++ b/api/src/Vfs.php
@@ -24,6 +24,7 @@ use HTTP_WebDAV_Server;
 use egw_exception_assertion_failed;
 use egw_exception_db;
 use egw_exception_wrong_parameter;
+use egw_time;
 
 /**
  * Class containing static methods to use the new eGW virtual file system