diff --git a/src/github.com/matrix-org/dendrite/common/test/config.go b/src/github.com/matrix-org/dendrite/common/test/config.go
index a28a08d54..948c60f10 100644
--- a/src/github.com/matrix-org/dendrite/common/test/config.go
+++ b/src/github.com/matrix-org/dendrite/common/test/config.go
@@ -83,6 +83,7 @@ func MakeConfig(configDir, kafkaURI, database, host string, startPort int) (*con
 	// Make this configurable somehow?
 	cfg.Kafka.Topics.OutputRoomEvent = "test.room.output"
 	cfg.Kafka.Topics.OutputClientData = "test.clientapi.output"
+	cfg.Kafka.Topics.UserUpdates = "test.user.output"
 
 	// TODO: Use different databases for the different schemas.
 	// Using the same database for every schema currently works because