diff --git a/openhexa/toolbox/dhis2/dhis2.py b/openhexa/toolbox/dhis2/dhis2.py
index 8759004..8edf130 100644
--- a/openhexa/toolbox/dhis2/dhis2.py
+++ b/openhexa/toolbox/dhis2/dhis2.py
@@ -54,7 +54,8 @@ def __init__(self, connection: DHIS2Connection, cache_dir: str = None):
             named after the DHIS2 instance domain.
         """
         self.api = Api(connection)
-        self.cache_dir = self.setup_cache(cache_dir)
+        if cache_dir:
+            self.cache_dir = self.setup_cache(cache_dir)
         self.meta = Metadata(self)
         self.version = self.meta.system_info().get("version")
         self.data_value_sets = DataValueSets(self)