diff --git a/tests/conftest.py b/tests/conftest.py
index bf630c4..18b7021 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -15,7 +15,5 @@ def fixtures_dir():
 
 @pytest.fixture(autouse=True)
 def temporary_logs_dir(monkeypatch, tmp_path):
-    def temp_user_log_dir(*args, **kwargs):
-        return tmp_path
-
-    monkeypatch.setattr(platformdirs, "user_log_dir", temp_user_log_dir)
+    monkeypatch.setattr("bw_simapro_csv.main.user_log_dir", lambda *args, **kwargs: tmp_path)
+    yield tmp_path
diff --git a/tests/test_header.py b/tests/test_header.py
index dfd7c13..3402112 100644
--- a/tests/test_header.py
+++ b/tests/test_header.py
@@ -1,9 +1,15 @@
 from datetime import datetime
+from pathlib import Path
 
 from bw_simapro_csv import SimaProCSV
 from bw_simapro_csv.header import SimaProCSVType
 
 
+def test_log_file_patching(fixtures_dir: Path, temporary_logs_dir: Path):
+    obj = SimaProCSV(fixtures_dir / "allocation.csv")
+    assert str(temporary_logs_dir) in str(obj.logs_dir)
+
+
 def test_basic_header_extraction(fixtures_dir):
     obj = SimaProCSV(fixtures_dir / "allocation.csv")
     assert obj.header == {