diff --git a/satpy/tests/test_readers.py b/satpy/tests/test_readers.py
index 4109966683..360e8f6e7c 100644
--- a/satpy/tests/test_readers.py
+++ b/satpy/tests/test_readers.py
@@ -33,6 +33,7 @@
 # NOTE:
 # The following fixtures are not defined in this file, but are used and injected by Pytest:
 # - monkeypatch
+# - tmp_path
 
 # clear the config dir environment variable so it doesn't interfere
 os.environ.pop("PPP_CONFIG_DIR", None)