diff --git a/wshandler/wshandler.go b/wshandler/wshandler.go
index f91df26..8c57834 100644
--- a/wshandler/wshandler.go
+++ b/wshandler/wshandler.go
@@ -3,6 +3,7 @@ package wshandler
 import (
 	"bytes"
 	"context"
+	"encoding/base64"
 	"encoding/gob"
 	"encoding/hex"
 	"encoding/json"
@@ -608,7 +609,8 @@ func (sh *subhandler) upgrade_nosession(w http.ResponseWriter, r *http.Request)
 
 	var alias string
 	if v := r.Header.Get("AS-X-ALIAS"); len(v) > 0 {
-		alias = v
+		vt, _ := base64.StdEncoding.DecodeString(v)
+		alias = string(vt)
 	} else {
 		alias = accid.Hex()
 	}
@@ -659,7 +661,8 @@ func (sh *subhandler) upgrade(w http.ResponseWriter, r *http.Request) {
 
 	var alias string
 	if v := r.Header.Get("AS-X-ALIAS"); len(v) > 0 {
-		alias = v
+		vt, _ := base64.StdEncoding.DecodeString(v)
+		alias = string(vt)
 	} else {
 		alias = authinfo.Accid.Hex()
 	}