diff --git a/chatmaild/src/chatmaild/tests/test_expire.py b/chatmaild/src/chatmaild/tests/test_expire.py
index 7ef7b51f..0a7f68e2 100644
--- a/chatmaild/src/chatmaild/tests/test_expire.py
+++ b/chatmaild/src/chatmaild/tests/test_expire.py
@@ -85,7 +85,7 @@ def test_report(mbox1, example_config):
 
 
 def test_expiry_cli_basic(example_config, mbox1):
-    args = (example_config._inipath,)
+    args = (str(example_config._inipath),)
     expiry_main(args)