diff --git a/tine20/Setup/Controller.php b/tine20/Setup/Controller.php
index 2efa515d7db..d9c4baee67c 100644
--- a/tine20/Setup/Controller.php
+++ b/tine20/Setup/Controller.php
@@ -2813,6 +2813,7 @@ public function clearCache()
                 unlink($directoryIterator->getPathname());
             }
         }
+        clearstatcache();
 
         // deactivate cache again
         Tinebase_Core::setupCache(FALSE);