diff --git a/components/renku_data_services/authz/authz.py b/components/renku_data_services/authz/authz.py
index 885e6cfae..39c9bd7d6 100644
--- a/components/renku_data_services/authz/authz.py
+++ b/components/renku_data_services/authz/authz.py
@@ -457,7 +457,7 @@ async def _get_members_helper(
             member = Member(
                 user_id=response.relationship.subject.object.object_id,
                 role=member_role,
-                resource_id=response.relationship.resource.object_id,
+                resource_id=ULID.from_str(response.relationship.resource.object_id),
             )
 
             yield member
diff --git a/components/renku_data_services/session/db.py b/components/renku_data_services/session/db.py
index fdb8a3859..b7bd592d0 100644
--- a/components/renku_data_services/session/db.py
+++ b/components/renku_data_services/session/db.py
@@ -362,6 +362,8 @@ async def update_launcher(
 
             env_payload = kwargs.get("environment", {})
             await self.__update_launcher_environment(user, launcher, session, new_custom_environment, **env_payload)
+            await session.flush()
+            await session.refresh(launcher)
             return launcher.dump()
 
     async def __update_launcher_environment(