diff --git a/lib/private/Files/Storage/DAV.php b/lib/private/Files/Storage/DAV.php
index 52ed890056..c4ebb0a44d 100644
--- a/lib/private/Files/Storage/DAV.php
+++ b/lib/private/Files/Storage/DAV.php
@@ -268,7 +268,7 @@ class DAV extends Common {
 				);
 				$this->statCache->set($path, $response);
 			} catch (ClientHttpException $e) {
-				if ($e->getHttpStatus() === 404) {
+				if ($e->getHttpStatus() === 404 || $e->getHttpStatus() === 405) {
 					$this->statCache->clear($path . '/');
 					$this->statCache->set($path, false);
 					return false;