diff options
| -rw-r--r-- | tun_linux.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tun_linux.go b/tun_linux.go index a37b727..1abc86f 100644 --- a/tun_linux.go +++ b/tun_linux.go @@ -273,7 +273,7 @@ func (tun *NativeTun) Write(buff []byte, offset int) (int, error) { buff[0] = 0x00 buff[1] = 0x00 - if buff[4] == ipv6.Version<<4 { + if buff[4]>>4 == ipv6.Version { buff[2] = 0x86 buff[3] = 0xdd } else { |