diff --git a/syncapi/types/multiroom_test.go b/syncapi/types/multiroom_test.go
index 53f637dd8..d2a49d480 100644
--- a/syncapi/types/multiroom_test.go
+++ b/syncapi/types/multiroom_test.go
@@ -17,5 +17,5 @@ func TestMarshallMultiRoom(t *testing.T) {
 					OriginServerTs: 123,
 				}}})
 	is.NoErr(err)
-	is.Equal(m, []byte(`{"@3:example.com":{"location":{"content":{"foo":"bar"},"timestamp":123}}}`))
+	is.Equal(m, []byte(`{"@3:example.com":{"location":{"content":{"foo":"bar"},"origin_server_ts":123}}}`))
 }