diff --git a/apps/files_external/lib/irods.php b/apps/files_external/lib/irods.php
index 9b0c744980a04da82db637b727a19158d6b21fe0..6c7e5278ed05068fbb7a21fbdabc0645d4060cba 100644
--- a/apps/files_external/lib/irods.php
+++ b/apps/files_external/lib/irods.php
@@ -42,7 +42,7 @@ class iRODS extends \OC\Files\Storage\StreamWrapper{
 			}
 
 			// take user and password from the session
-			if ($this->use_logon_credentials && \OC::$session->exists('irods-credentials'))
+			if ($this->use_logon_credentials === "true" && \OC::$session->exists('irods-credentials'))
 			{
 				$params = \OC::$session->get('irods-credentials');
 				$this->user = $params['uid'];