diff --git a/swh/fuse/tests/conftest.py b/swh/fuse/tests/conftest.py
index e5c2446..015fdd6 100644
--- a/swh/fuse/tests/conftest.py
+++ b/swh/fuse/tests/conftest.py
@@ -1,76 +1,75 @@
 # Copyright (C) 2020  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 import json
 from multiprocessing import Process
 import os
 from pathlib import Path
-import subprocess
 from tempfile import NamedTemporaryFile, TemporaryDirectory
 import time
 
 from click.testing import CliRunner
 import pytest
 import yaml
 
 import swh.fuse.cli as cli
 from swh.fuse.tests.data.api_data import API_URL, MOCK_ARCHIVE
 
 
 @pytest.fixture
 def web_api_mock(requests_mock):
     for api_call, data in MOCK_ARCHIVE.items():
         # Convert Python dict JSON into a string (only for non-raw API call)
         if not api_call.endswith("raw/") and not api_call.startswith("graph/"):
             data = json.dumps(data)
         requests_mock.get(f"{API_URL}/{api_call}", text=data)
     return requests_mock
 
 
 @pytest.fixture
 def fuse_mntdir(web_api_mock):
     tmpdir = TemporaryDirectory(suffix=".swh-fuse-test")
 
     config = {
         "cache": {"metadata": {"in-memory": True}, "blob": {"in-memory": True},},
         "web-api": {"url": API_URL, "auth-token": None},
         "json-indent": None,
     }
 
     # Run FUSE in foreground mode but in a separate process, so it does not
     # block execution and remains easy to kill during teardown
     def fuse_process(mntdir: Path):
         with NamedTemporaryFile(suffix=".swh-fuse-test.yml") as tmpfile:
             config_path = Path(tmpfile.name)
             config_path.write_text(yaml.dump(config))
             CliRunner().invoke(
                 cli.fuse,
                 args=[
                     "--config-file",
                     str(config_path),
                     "mount",
                     str(mntdir),
                     "--foreground",
                 ],
             )
 
     fuse = Process(target=fuse_process, args=[Path(tmpdir.name)])
     fuse.start()
     # Wait max 3 seconds for the FUSE to correctly mount
     for i in range(30):
         try:
             root = os.listdir(tmpdir.name)
             if root:
                 break
         except FileNotFoundError:
             pass
         time.sleep(0.1)
     else:
         raise FileNotFoundError(f"Could not mount FUSE in {tmpdir.name}")
 
     yield Path(tmpdir.name)
 
-    subprocess.run(["fusermount", "-u", tmpdir.name], check=True)
+    CliRunner().invoke(cli.umount, [tmpdir.name])
     fuse.join()