diff --git a/apps/files_external/tests/mountconfig.php b/apps/files_external/tests/mountconfig.php
index ac010464faa6e2a5b6768e07d71394806836a520..fc482823843a8983157b1cebb5a01f28a4b39297 100644
--- a/apps/files_external/tests/mountconfig.php
+++ b/apps/files_external/tests/mountconfig.php
@@ -58,7 +58,7 @@ class Test_Mount_Config extends \PHPUnit_Framework_TestCase {
 
 		\OC_User::setUserId(self::TEST_USER1);
 		$this->userHome = \OC_User::getHome(self::TEST_USER1);
-		mkdir($this->userHome);
+		@mkdir($this->userHome);
 
 		$this->dataDir = \OC_Config::getValue(
 			'datadirectory',