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-rw-r--r--lib/sockopt.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sockopt.h b/lib/sockopt.h
index cd797182..8d775cdc 100644
--- a/lib/sockopt.h
+++ b/lib/sockopt.h
@@ -53,7 +53,7 @@ int setsockopt_ipv6_multicast_loop (int, int);
((af == AF_INET) ? SOPT_SIZE_CMSG_PKTINFO_IPV4() \
: SOPT_SIZE_CMSG_PKTINFO_IPV6()
-#define SOPT_SIZE_CMSG_IFINDEX_IPV4() SOPT_SIZE_CMSG_PKTINFO_IPV4
+#define SOPT_SIZE_CMSG_IFINDEX_IPV4() SOPT_SIZE_CMSG_PKTINFO_IPV4()
#elif defined (IP_RECVIF)
/* BSD/Solaris. Arguably these should say RECVIF rather than IFINDEX. */