diff --git a/tests/federation/test_federation_catch_up.py b/tests/federation/test_federation_catch_up.py
index 9d24749ea0..9cc6e3ac61 100644
--- a/tests/federation/test_federation_catch_up.py
+++ b/tests/federation/test_federation_catch_up.py
@@ -473,7 +473,7 @@ class FederationCatchUpTestCases(FederatingHomeserverTestCase):
 
         # now we send a sticky event that we expect to be bundled with the fwd extrem event
         sticky_event_id = self.helper.send_sticky_event(
-            room_1, "m.room.sticky", 60000, tok=u1_token
+            room_1, "m.room.sticky", duration_ms=60_000, tok=u1_token
         )["event_id"]
         # ..and other uninteresting events
         self.helper.send(room_1, "you hear me!!", tok=u1_token)
diff --git a/tests/rest/client/utils.py b/tests/rest/client/utils.py
index 383834bcc7..326502ba49 100644
--- a/tests/rest/client/utils.py
+++ b/tests/rest/client/utils.py
@@ -457,6 +457,7 @@ class RestHelper:
         self,
         room_id: str,
         type: str,
+        *,
         duration_ms: int,
         content: dict | None = None,
         txn_id: str | None = None,