diff --git a/inetd.c b/inetd.c
index aecc775c..c34d9780 100644
--- a/inetd.c
+++ b/inetd.c
@@ -102,6 +102,7 @@ int inetd_dgram_peek(int sd, char *ifname)
 	struct msghdr msgh;
 	struct cmsghdr *cmsg;
 
+	memset(&msgh, 0, sizeof(msgh));
 	if (recvmsg(sd, &msgh, MSG_PEEK) < 0)
 		return -1;