diff --git a/alby.go b/alby.go
index e13b5903..552b8b12 100644
--- a/alby.go
+++ b/alby.go
@@ -201,6 +201,9 @@ func (svc *AlbyOAuthService) CallbackHandler(c echo.Context) error {
 	svc.db.Save(&user)
 
 	sess, _ := session.Get("alby_nostr_wallet_connect", c)
+	if svc.cfg.CookieDomain != "" {
+		sess.Options.Domain = svc.cfg.CookieDomain
+	}
 	sess.Values["user_id"] = user.ID
 	sess.Save(c.Request(), c.Response())
 	return c.Redirect(302, "/")
diff --git a/config.go b/config.go
index c18d46a8..528ee89c 100644
--- a/config.go
+++ b/config.go
@@ -8,6 +8,7 @@ const (
 type Config struct {
 	NostrSecretKey          string `envconfig:"NOSTR_PRIVKEY"`
 	CookieSecret            string `envconfig:"COOKIE_SECRET" required:"true"`
+	CookieDomain            string `envconfig:"COOKIE_DOMAIN"`
 	ClientPubkey            string `envconfig:"CLIENT_NOSTR_PUBKEY"`
 	Relay                   string `envconfig:"RELAY" default:"wss://relay.getalby.com/v1"`
 	LNBackendType           string `envconfig:"LN_BACKEND_TYPE" default:"ALBY"`
diff --git a/lnd.go b/lnd.go
index c849c334..2144ecf9 100644
--- a/lnd.go
+++ b/lnd.go
@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"encoding/hex"
+
 	"github.com/sirupsen/logrus"
 	"gorm.io/gorm"