diff --git a/bgpd/bgp_routemap.c b/bgpd/bgp_routemap.c
index be3c2ee..95f1dff 100644
--- a/bgpd/bgp_routemap.c
+++ b/bgpd/bgp_routemap.c
@@ -131,7 +131,7 @@
       void *object)
 {
   union sockunion *su;
-  union sockunion su_def = { .sa.sa_family = AF_INET,
+  union sockunion su_def = { .sin.sin_family = AF_INET,
 			     .sin.sin_addr.s_addr = INADDR_ANY };
   struct peer_group *group;
   struct peer *peer;
diff --git a/lib/command.c b/lib/command.c
index 8317789..f20065f 100644
--- a/lib/command.c
+++ b/lib/command.c
@@ -1353,7 +1353,7 @@
   enum match_type multiple_match;
   unsigned int multiple_index;
   const char *word;
-  const char *arg;
+  const char *arg = NULL;
   struct cmd_token *word_token;
   enum match_type word_match;
 
diff --git a/ospfd/ospf_spf.c b/ospfd/ospf_spf.c
index 6205b3e..58a3992 100644
--- a/ospfd/ospf_spf.c
+++ b/ospfd/ospf_spf.c
@@ -590,7 +590,7 @@
 
           if (l->m[0].type == LSA_LINK_TYPE_POINTOPOINT)
             {
-	      struct in_addr nexthop;
+              struct in_addr nexthop = { .s_addr = 0 };
 
               /* If the destination is a router which connects to
                  the calculating router via a Point-to-MultiPoint
diff --git a/ripngd/ripngd.c b/ripngd/ripngd.c
index 8c20a7a..82e3818 100644
--- a/ripngd/ripngd.c
+++ b/ripngd/ripngd.c
@@ -236,7 +236,7 @@
   struct msghdr msg;
   struct iovec iov;
   struct cmsghdr  *cmsgptr;
-  struct in6_addr dst;
+  struct in6_addr dst = { .s6_addr = { 0 } };
 
   /* Ancillary data.  This store cmsghdr and in6_pktinfo.  But at this
      point I can't determine size of cmsghdr */