diff --git a/zebra/connected.c b/zebra/connected.c
index 3ce5953..46d2aab 100644
--- a/zebra/connected.c
+++ b/zebra/connected.c
@@ -33,6 +33,7 @@
 #include "zebra/zserv.h"
 #include "zebra/redistribute.h"
 #include "zebra/interface.h"
+#include "zebra/connected.h"
 
 /* If same interface address is already exist... */
 struct connected *
@@ -88,7 +89,7 @@
 /* Add connected IPv4 route to the interface. */
 void
 connected_add_ipv4 (struct interface *ifp, int flags, struct in_addr *addr, 
-		    int prefixlen, struct in_addr *broad, char *label)
+		    u_char prefixlen, struct in_addr *broad, char *label)
 {
   struct prefix_ipv4 *p;
   struct connected *ifc;
@@ -226,7 +227,7 @@
 /* Delete connected IPv4 route to the interface. */
 void
 connected_delete_ipv4 (struct interface *ifp, int flags, struct in_addr *addr,
-		       int prefixlen, struct in_addr *broad, char *label)
+		       u_char prefixlen, struct in_addr *broad, char *label)
 {
   struct prefix_ipv4 p;
   struct connected *ifc;