diff --git a/cmd/dendrite-demo-pinecone/monolith/monolith.go b/cmd/dendrite-demo-pinecone/monolith/monolith.go
index 2fb5e675..562d559d 100644
--- a/cmd/dendrite-demo-pinecone/monolith/monolith.go
+++ b/cmd/dendrite-demo-pinecone/monolith/monolith.go
@@ -138,6 +138,7 @@ func (p *P2PMonolith) SetupDendrite(
 	rsAPI.SetFederationAPI(fsAPI, keyRing)
 
 	userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, &natsInstance, rsAPI, federation, enableMetrics, fsAPI.IsBlacklistedOrBackingOff)
+	rsAPI.SetUserAPI(userAPI)
 
 	asAPI := appservice.NewInternalAPI(processCtx, cfg, &natsInstance, userAPI, rsAPI)