diff --git a/bgpd/bgp_btoa.c b/bgpd/bgp_btoa.c
index 284b280..b408efd 100644
--- a/bgpd/bgp_btoa.c
+++ b/bgpd/bgp_btoa.c
@@ -144,7 +144,7 @@
   size_t len;
   int source_as;
   int dest_as;
-  int ifindex;
+  ifindex_t ifindex;
   int family;
   struct in_addr sip;
   struct in_addr dip;