fix attribute error
diff --git a/planetstack/observer/steps/sync_slice_memberships.py b/planetstack/observer/steps/sync_slice_memberships.py
index 2748fcd..d0936c4 100644
--- a/planetstack/observer/steps/sync_slice_memberships.py
+++ b/planetstack/observer/steps/sync_slice_memberships.py
@@ -16,4 +16,4 @@
         if slice_memb.user.kuser_id and slice_memb.slice.tenant_id:
                 self.driver.add_user_role(slice_memb.user.kuser_id,
                                           slice_memb.slice.tenant_id,
-                                          slice_memb.role.role_type)
+                                          slice_memb.role.role)