From e7fecd4e1cc2bd19274c1901fd3388488bd3d169 Mon Sep 17 00:00:00 2001
From: esrrhs <esrrhs@163.com>
Date: Thu, 20 Dec 2018 14:31:01 +0800
Subject: [PATCH] fix

---
 pingtunnel.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pingtunnel.go b/pingtunnel.go
index b7ad25c..2a3b1dd 100644
--- a/pingtunnel.go
+++ b/pingtunnel.go
@@ -196,7 +196,7 @@ func recvICMP(conn icmp.PacketConn, recv chan<- *Packet) {
 			return
 		}
 
-		recv <- &Packet{msgType: my.TYPE, data: my.Data, id: my.ID, target: my.TARGET, src: srcaddr.(*net.IPAddr), rproto: (int)(my.RPROTO)}
+		recv <- &Packet{msgType: my.TYPE, data: my.Data, id: my.ID, target: my.TARGET, src: srcaddr.(*net.IPAddr), rproto: (int)((int16)(my.RPROTO))}
 	}
 }