diff --git a/zebra/zebra_rib.c b/zebra/zebra_rib.c
index 18eece8..2e15f99 100644
--- a/zebra/zebra_rib.c
+++ b/zebra/zebra_rib.c
@@ -218,7 +218,7 @@
 
   nexthop = XCALLOC (MTYPE_NEXTHOP, sizeof (struct nexthop));
   nexthop->type = NEXTHOP_TYPE_IFNAME;
-  nexthop->ifname = XSTRDUP (0, ifname);
+  nexthop->ifname = XSTRDUP (MTYPE_TMP, ifname);
 
   nexthop_add (rib, nexthop);
 
@@ -282,7 +282,7 @@
   nexthop = XCALLOC (MTYPE_NEXTHOP, sizeof (struct nexthop));
   nexthop->type = NEXTHOP_TYPE_IPV6_IFNAME;
   nexthop->gate.ipv6 = *ipv6;
-  nexthop->ifname = XSTRDUP (0, ifname);
+  nexthop->ifname = XSTRDUP (MTYPE_TMP, ifname);
 
   nexthop_add (rib, nexthop);
 
@@ -2464,7 +2464,7 @@
   if (gate)
     si->addr.ipv4 = *gate;
   if (ifname)
-    si->ifname = XSTRDUP (0, ifname);
+    si->ifname = XSTRDUP (MTYPE_TMP, ifname);
 
   /* Add new static route information to the tree with sort by
      distance value and gateway address. */
@@ -2861,11 +2861,11 @@
       si->addr.ipv6 = *gate;
       break;
     case STATIC_IPV6_IFNAME:
-      si->ifname = XSTRDUP (0, ifname);
+      si->ifname = XSTRDUP (MTYPE_TMP, ifname);
       break;
     case STATIC_IPV6_GATEWAY_IFNAME:
       si->addr.ipv6 = *gate;
-      si->ifname = XSTRDUP (0, ifname);
+      si->ifname = XSTRDUP (MTYPE_TMP, ifname);
       break;
     }
 
diff --git a/zebra/zserv.c b/zebra/zserv.c
index e0e32ab..c0f9a90 100644
--- a/zebra/zserv.c
+++ b/zebra/zserv.c
@@ -1313,7 +1313,7 @@
   struct zserv *client;
   int i;
 
-  client = XCALLOC (0, sizeof (struct zserv));
+  client = XCALLOC (MTYPE_TMP, sizeof (struct zserv));
 
   /* Make client input/output buffer. */
   client->sock = sock;