diff --git a/apps/files_external/lib/smb.php b/apps/files_external/lib/smb.php
index e05d69f784416c4d6ab7e7b6e50f670a04922bb0..9db8e9fd982a4298f547578b1ac211cd668ece69 100644
--- a/apps/files_external/lib/smb.php
+++ b/apps/files_external/lib/smb.php
@@ -60,6 +60,10 @@ class OC_FileStorage_SMB extends OC_FileStorage_StreamWrapper{
 		}
 	}
 
+	public function filetype($path){
+		return (bool)$this->opendir($path);//using opendir causes the same amount of requests and caches the content of the folder in one go
+	}
+
 	/**
 	 * check if a file or folder has been updated since $time
 	 * @param int $time