diff --git a/bgpd/bgp_aspath.c b/bgpd/bgp_aspath.c
index 1f522d7..b328e38 100644
--- a/bgpd/bgp_aspath.c
+++ b/bgpd/bgp_aspath.c
@@ -1447,8 +1447,9 @@
 
 /* Make hash value by raw aspath data. */
 unsigned int
-aspath_key_make (struct aspath *aspath)
+aspath_key_make (void *p)
 {
+  struct aspath * aspath = (struct aspath *) p;
   unsigned int key = 0;
   unsigned int i;
   struct assegment *seg = aspath->segments;