diff --git a/pyunicore/uftp/uftpmountfs.py b/pyunicore/uftp/uftpmountfs.py
index f812bfc..f4aefd7 100644
--- a/pyunicore/uftp/uftpmountfs.py
+++ b/pyunicore/uftp/uftpmountfs.py
@@ -42,7 +42,7 @@ def __init__(self, auth_url, creds, base_path="/", mount_dir="./uftp_mount"):
         self.host, self.port, uftp_password = UFTP().authenticate(creds, auth_url, base_path)
         self.base_path = base_path
         self.mount_dir = mount_dir
-        self._ensure_unmount(mount_dir)
+        self._ensure_unmount()
         self._run_fusedriver(uftp_password)
         super().__init__(mount_dir)