diff --git a/tailbone/views/batch/core.py b/tailbone/views/batch/core.py
index e8e84353..a7d9c9ad 100644
--- a/tailbone/views/batch/core.py
+++ b/tailbone/views/batch/core.py
@@ -926,8 +926,9 @@ class BatchMasterView(MasterView):
         # mustn't use tailbone web session here
         session = RattailSession()
         batch = session.query(self.model_class).get(batch_uuid)
+        user = session.query(model.User).get(user_uuid)
         try:
-            self.handler.do_populate(batch, progress=progress)
+            self.handler.do_populate(batch, user, progress=progress)
         except Exception as error:
             session.rollback()
             log.warning("batch population failed: %s", batch, exc_info=True)