diff --git a/python/lib/externalrequests/dmod/externalrequests/maas_request_handlers.py b/python/lib/externalrequests/dmod/externalrequests/maas_request_handlers.py
index 92a2bb225..23283d9bb 100644
--- a/python/lib/externalrequests/dmod/externalrequests/maas_request_handlers.py
+++ b/python/lib/externalrequests/dmod/externalrequests/maas_request_handlers.py
@@ -332,5 +332,5 @@ async def handle_request(self, request: MaaSDatasetManagementMessage, **kwargs)
     @property
     def service_client(self) -> DataServiceClient:
         if self._service_client is None:
-            self._service_client = DataServiceClient(self.service_url, self.service_ssl_dir)
+            self._service_client = DataServiceClient(endpoint_uri=self.service_url, ssl_directory=self.service_ssl_dir)
         return self._service_client