diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 581cfcff9f3..88f5de4b584 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -11,3 +11,4 @@ if(!class_exists('PHPUnit_Framework_TestCase')) {
 
 OC_Hook::clear();
 OC_Log::$enabled = false;
+OC_FileProxy::clearProxies();