diff --git a/ospf6d/ospf6_network.c b/ospf6d/ospf6_network.c
index 4df7c9d..8c0cbf5 100644
--- a/ospf6d/ospf6_network.c
+++ b/ospf6d/ospf6_network.c
@@ -254,6 +254,7 @@
   /* scmsgp = CMSG_NXTHDR (&smsghdr, scmsgp); */
 
   /* send msg hdr */
+  memset (&smsghdr, 0, sizeof (smsghdr));
   smsghdr.msg_iov = message;
   smsghdr.msg_iovlen = iov_count (message);
   smsghdr.msg_name = (caddr_t) &dst_sin6;
@@ -291,6 +292,7 @@
   /* rcmsgp = CMSG_NXTHDR (&rmsghdr, rcmsgp); */
 
   /* receive msg hdr */
+  memset (&rmsghdr, 0, sizeof (rmsghdr));
   rmsghdr.msg_iov = message;
   rmsghdr.msg_iovlen = iov_count (message);
   rmsghdr.msg_name = (caddr_t) &src_sin6;