diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c
index 892aa411..55cd1cc3 100644
--- a/proto/ospf/rt.c
+++ b/proto/ospf/rt.c
@@ -854,7 +854,7 @@ static inline void
 check_sum_net_lsa(struct proto_ospf *po, ort *nf)
 {
   struct area_net *anet = NULL;
-  struct ospf_area *anet_oa;
+  struct ospf_area *anet_oa = NULL;
 
   /* RT entry marked as area network */
   if (nf->fn.x0)
diff --git a/sysdep/bsd/krt-sock.c b/sysdep/bsd/krt-sock.c
index 12ebe6de..4c8676ef 100644
--- a/sysdep/bsd/krt-sock.c
+++ b/sysdep/bsd/krt-sock.c
@@ -549,11 +549,11 @@ krt_read_addr(struct ks_msg *msg)
   {
     ifa.prefix = ipa_and(ifa.ip, ipa_mkmask(masklen));
 
-    if (i->ifa_prefixlen == BITS_PER_IP_ADDRESS - 1)
+    if (masklen == (BITS_PER_IP_ADDRESS - 1))
       ifa.opposite = ipa_opposite_m1(ifa.ip);
 
 #ifndef IPV6
-    if (i->ifa_prefixlen == BITS_PER_IP_ADDRESS - 2)
+    if (masklen == (BITS_PER_IP_ADDRESS - 2))
       ifa.opposite = ipa_opposite_m2(ifa.ip);
 #endif
   }