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-rw-r--r--sys/netinet/libalias/alias_util.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/netinet/libalias/alias_util.c b/sys/netinet/libalias/alias_util.c
index 14df53d..687168e 100644
--- a/sys/netinet/libalias/alias_util.c
+++ b/sys/netinet/libalias/alias_util.c
@@ -102,7 +102,7 @@ TcpChecksum(struct ip *pip)
nhdr = pip->ip_hl << 2;
ntcp = ntohs(pip->ip_len) - nhdr;
- tc = (struct tcphdr *)((char *)pip + nhdr);
+ tc = (struct tcphdr *)ip_next(pip);
ptr = (u_short *) tc;
/* Add up TCP header and data */
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