diff --git a/controller/tunnel.go b/controller/tunnel.go
index 6e5f179f..f1279dae 100644
--- a/controller/tunnel.go
+++ b/controller/tunnel.go
@@ -61,7 +61,7 @@ func (self *tunnelHandler) Handle(params tunnel.TunnelParams, principal *rest_mo
 		logrus.Error(err)
 		return tunnel.NewTunnelInternalServerError().WithPayload(rest_model_zrok.ErrorMessage(err.Error()))
 	}
-	svcName, err := randomId()
+	svcName, err := createServiceName()
 	if err != nil {
 		logrus.Error(err)
 		return tunnel.NewTunnelInternalServerError().WithPayload(rest_model_zrok.ErrorMessage(err.Error()))
diff --git a/controller/util.go b/controller/util.go
index d149b677..a85e0124 100644
--- a/controller/util.go
+++ b/controller/util.go
@@ -46,10 +46,10 @@ func createToken() string {
 	return shortuuid.New()
 }
 
-func randomId() (string, error) {
-	bytes := make([]byte, 8)
+func createServiceName() (string, error) {
+	bytes := make([]byte, 4)
 	if _, err := rand.Read(bytes); err != nil {
-		return "", errors.Wrap(err, "error generating random identity id")
+		return "", errors.Wrap(err, "error generating service name")
 	}
 	return hex.EncodeToString(bytes), nil
 }