diff --git a/zebra/rt_socket.c b/zebra/rt_socket.c
index 4d0a7db..78ec9e5 100644
--- a/zebra/rt_socket.c
+++ b/zebra/rt_socket.c
@@ -76,7 +76,7 @@
   struct nexthop *nexthop, *tnexthop;
   int recursing;
   int nexthop_num = 0;
-  unsigned int ifindex = 0;
+  ifindex_t ifindex = 0;
   int gate = 0;
   int error;
   char prefix_buf[PREFIX_STRLEN];
@@ -252,7 +252,7 @@
   struct nexthop *nexthop, *tnexthop;
   int recursing;
   int nexthop_num = 0;
-  unsigned int ifindex = 0;
+  ifindex_t ifindex = 0;
   int gate = 0;
   int error;