diff --git a/lib/command.c b/lib/command.c
index 17e0f8d3b9..958d0eb244 100644
--- a/lib/command.c
+++ b/lib/command.c
@@ -1355,7 +1355,7 @@ cmd_matcher_match_multiple(struct cmd_matcher *matcher,
   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 9f6c6f471b..5f8ef6f993 100644
--- a/ospfd/ospf_spf.c
+++ b/ospfd/ospf_spf.c
@@ -590,8 +590,7 @@ ospf_nexthop_calculation (struct ospf_area *area, struct vertex *v,
 
           if (l->m[0].type == LSA_LINK_TYPE_POINTOPOINT)
             {
-	      struct in_addr nexthop;
-	      nexthop.s_addr = 0;
+              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 13884ff3b3..e026d4748e 100644
--- a/ripngd/ripngd.c
+++ b/ripngd/ripngd.c
@@ -236,7 +236,7 @@ ripng_recv_packet (int sock, u_char *buf, int bufsize,
   struct msghdr msg;
   struct iovec iov;
   struct cmsghdr  *cmsgptr;
-  struct in6_addr dst;
+  struct in6_addr dst = { .s6_addr = { 0 } };
 
   memset(&dst, 0, sizeof(struct in6_addr));