diff --git a/.gitea/workflows/selftests.yaml b/.gitea/workflows/selftests.yaml
index e548666..b2022d7 100644
--- a/.gitea/workflows/selftests.yaml
+++ b/.gitea/workflows/selftests.yaml
@@ -14,7 +14,7 @@ on:
 jobs:
   # Test building the package and installing it via pip3
   test-build-install:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
       - name: Add pipx to PATH
diff --git a/seafile_mirror/seafile_mirror.py b/seafile_mirror/seafile_mirror.py
index 04f7558..ace87d1 100755
--- a/seafile_mirror/seafile_mirror.py
+++ b/seafile_mirror/seafile_mirror.py
@@ -30,7 +30,6 @@ parser.add_argument("-c", "--configdir", required=True, help="The config directo
 parser.add_argument(
     "-l",
     "--logfile",
-    required=True,
     help="The path to the logfile. Default: <configdir>/seafile_mirror.log",
 )
 parser.add_argument(