diff --git a/cmd/dendrite-monolith-server/main.go b/cmd/dendrite-monolith-server/main.go
index 4d0598f3f..bb2685208 100644
--- a/cmd/dendrite-monolith-server/main.go
+++ b/cmd/dendrite-monolith-server/main.go
@@ -132,6 +132,7 @@ func main() {
 	// dependency. Other components also need updating after their dependencies are up.
 	rsImpl.SetFederationAPI(fsAPI, keyRing)
 	rsImpl.SetAppserviceAPI(asAPI)
+	rsImpl.SetUserAPI(userAPI)
 	keyImpl.SetUserAPI(userAPI)
 
 	eduInputAPI := eduserver.NewInternalAPI(