diff --git a/tests/conftest.py b/tests/conftest.py
index ca2db17715f0cec2fcf9bdf3a4cf8e31ae3feed7..0985c0ce706fc01e86c5cdb0e8afdf83a60842cc 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -12,4 +12,4 @@ def clean_environment(tmpdir_factory):
     os.environ.pop('RTUSER', None)
     os.environ['CONSERVANCY_REPOSITORY'] = str(testutil.test_path('repository'))
     os.environ['HOME'] = str(testutil.test_path('userconfig'))
-    os.environ['XDG_CACHE_DIR'] = str(tmpdir_factory.mktemp('.cache'))
+    os.environ['XDG_CACHE_HOME'] = str(tmpdir_factory.mktemp('.cache'))