diff --git a/planetstack/observer/steps/sync_slices.py b/planetstack/observer/steps/sync_slices.py
index 5b34442..304ad37 100644
--- a/planetstack/observer/steps/sync_slices.py
+++ b/planetstack/observer/steps/sync_slices.py
@@ -71,7 +71,7 @@
 
 
         if slice.id and slice.tenant_id:
-            client_driver.update_tenant(slice.tenant_id,
+            self.driver.update_tenant(slice.tenant_id,
                                       description=slice.description,
                                       enabled=slice.enabled)