diff --git a/ceurws/volume_neo4j.py b/ceurws/volume_neo4j.py
index cbd0476..04d543e 100644
--- a/ceurws/volume_neo4j.py
+++ b/ceurws/volume_neo4j.py
@@ -8,6 +8,7 @@
 from typing import Optional
 
 import requests
+from ceurws.ceur_ws import CEURWS
 from neo4j import GraphDatabase
 from neo4j.exceptions import AuthError, ConfigurationError, ServiceUnavailable
 
@@ -140,7 +141,7 @@ def default_source(cls) -> str:
         """
         get the default source
         """
-        default_source = os.path.expanduser("~/.ceurws/volumes.json")
+        default_source = CEURWS.CACHE_DIR / "volumes.json"
         return default_source
 
     @classmethod
diff --git a/tests/test_loctime.py b/tests/test_loctime.py
index 7e53882..3a17c16 100644
--- a/tests/test_loctime.py
+++ b/tests/test_loctime.py
@@ -7,6 +7,8 @@
 import json
 from pathlib import Path
 
+from ceurws.ceur_ws import CEURWS
+
 from ceurws.loctime import LoctimeParser, PercentageTable
 from tests.basetest import Basetest
 
@@ -21,7 +23,7 @@ def setUp(self, debug=False, profile=True):
         setUp the test case
         """
         Basetest.setUp(self, debug=debug, profile=profile)
-        self.ceurws_path = Path.home() / ".ceurws"
+        self.ceurws_path = CEURWS.CACHE_DIR
         self.volumes_path = self.ceurws_path / "volumes.json"
         self.volumes = self.get_volumes()
         self.loctime_parser = LoctimeParser()