diff --git a/lib/zclient.c b/lib/zclient.c
index bd93d06..9188c01 100644
--- a/lib/zclient.c
+++ b/lib/zclient.c
@@ -811,7 +811,7 @@
 struct connected *
 zebra_interface_address_read (int type, struct stream *s, vrf_id_t vrf_id)
 {
-  unsigned int ifindex;
+  ifindex_t ifindex;
   struct interface *ifp;
   struct connected *ifc;
   struct prefix p, d;