diff --git a/proxy/vmess/inbound/inbound.go b/proxy/vmess/inbound/inbound.go
index a4d1dda5f..7a12cfc09 100644
--- a/proxy/vmess/inbound/inbound.go
+++ b/proxy/vmess/inbound/inbound.go
@@ -38,8 +38,8 @@ func (this *VMessInboundHandler) Port() v2net.Port {
 func (this *VMessInboundHandler) Close() {
 	this.accepting = false
 	if this.listener != nil {
-		this.Lock()
 		this.listener.Close()
+		this.Lock()
 		this.listener = nil
 		this.Unlock()
 	}