diff --git a/isisd/isis_zebra.c b/isisd/isis_zebra.c
index 8c4eef0..6c398cf 100644
--- a/isisd/isis_zebra.c
+++ b/isisd/isis_zebra.c
@@ -329,7 +329,7 @@
 {
   struct zapi_ipv6 api;
   struct in6_addr **nexthop_list;
-  unsigned int *ifindex_list;
+  ifindex_t *ifindex_list;
   struct isis_nexthop6 *nexthop6;
   int i, size;
   struct listnode *node;
@@ -365,7 +365,7 @@
 
   /* allocate memory for ifindex_list */
   size = sizeof (unsigned int) * listcount (route_info->nexthops6);
-  ifindex_list = (unsigned int *) XMALLOC (MTYPE_ISIS_TMP, size);
+  ifindex_list = (ifindex_t *) XMALLOC (MTYPE_ISIS_TMP, size);
   if (!ifindex_list)
     {
       zlog_err ("isis_zebra_add_route_ipv6: out of memory!");
@@ -415,7 +415,7 @@
 {
   struct zapi_ipv6 api;
   struct in6_addr **nexthop_list;
-  unsigned int *ifindex_list;
+  ifindex_t *ifindex_list;
   struct isis_nexthop6 *nexthop6;
   int i, size;
   struct listnode *node;
@@ -445,7 +445,7 @@
 
   /* allocate memory for ifindex_list */
   size = sizeof (unsigned int) * listcount (route_info->nexthops6);
-  ifindex_list = (unsigned int *) XMALLOC (MTYPE_ISIS_TMP, size);
+  ifindex_list = (ifindex_t *) XMALLOC (MTYPE_ISIS_TMP, size);
   if (!ifindex_list)
     {
       zlog_err ("isis_zebra_route_del_ipv6: out of memory!");