diff --git a/cmd/swarm/swarm-smoke/upload_and_sync.go b/cmd/swarm/swarm-smoke/upload_and_sync.go
index 90047751fc..743c0f3a95 100644
--- a/cmd/swarm/swarm-smoke/upload_and_sync.go
+++ b/cmd/swarm/swarm-smoke/upload_and_sync.go
@@ -75,8 +75,7 @@ func triggerChunkDebug(testData []byte) error {
 
 	// has-chunks
 	for _, host := range hosts {
-		//httpHost := fmt.Sprintf("http://%s:%d", host, 8545)
-		httpHost := host
+		httpHost := fmt.Sprintf("ws://%s:%d", host, 8546)
 		rpcClient, err := rpc.Dial(httpHost)
 		if err != nil {
 			return err