diff --git a/server/cluster.go b/server/cluster.go
index 34c5e470a..2a6b0798d 100644
--- a/server/cluster.go
+++ b/server/cluster.go
@@ -70,6 +70,12 @@ type ClusterSess struct {
 	// Protocol version of the client: ((major & 0xff) << 8) | (minor & 0xff)
 	Ver int
 
+	// Human language of the client
+	Lang string
+
+	// Device ID
+	DeviceId string
+
 	// Session ID
 	Sid string
 }
@@ -291,6 +297,8 @@ func (c *Cluster) Master(msg *ClusterReq, rejected *bool) error {
 		sess.ver = msg.Sess.Ver
 		sess.userAgent = msg.Sess.UserAgent
 		sess.remoteAddr = msg.Sess.RemoteAddr
+		sess.lang = msg.Sess.Lang
+		sess.deviceId = msg.Sess.DeviceId
 
 		// Dispatch remote message to a local session.
 		sess.dispatch(msg.Msg)
@@ -368,9 +376,12 @@ func (c *Cluster) routeToTopic(msg *ClientComMessage, topic string, sess *Sessio
 			RcptTo:    topic,
 			Sess: &ClusterSess{
 				Uid:        sess.uid,
+				AuthLvl:    sess.authLvl,
 				RemoteAddr: sess.remoteAddr,
 				UserAgent:  sess.userAgent,
 				Ver:        sess.ver,
+				Lang:       sess.lang,
+				DeviceId:   sess.deviceId,
 				Sid:        sess.sid}})
 }