diff --git a/tests/replication/slave/storage/test_events.py b/tests/replication/slave/storage/test_events.py
index 4780f2ab7..cb058d314 100644
--- a/tests/replication/slave/storage/test_events.py
+++ b/tests/replication/slave/storage/test_events.py
@@ -230,10 +230,12 @@ class SlavedEventStoreTestCase(BaseSlavedStoreTestCase):
             state_handler = self.hs.get_state_handler()
             context = yield state_handler.compute_event_context(event)
 
-        for user_id, actions in push_actions:
-            yield self.master_store.add_push_actions_to_staging(
-                event.event_id, user_id, actions,
-            )
+        yield self.master_store.add_push_actions_to_staging(
+            event.event_id, {
+                user_id: actions
+                for user_id, actions in push_actions
+            },
+        )
 
         ordering = None
         if backfill:
diff --git a/tests/storage/test_event_push_actions.py b/tests/storage/test_event_push_actions.py
index d483e7cf9..550f9ba66 100644
--- a/tests/storage/test_event_push_actions.py
+++ b/tests/storage/test_event_push_actions.py
@@ -71,7 +71,7 @@ class EventPushActionsStoreTestCase(tests.unittest.TestCase):
             event.depth = stream
 
             yield self.store.add_push_actions_to_staging(
-                event.event_id, user_id, action,
+                event.event_id, {user_id: action},
             )
             yield self.store.runInteraction(
                 "", self.store._set_push_actions_for_event_and_users_txn,