diff --git a/include/net/route.h b/include/net/route.h
index 6352484..5875272 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -120,7 +120,7 @@
 extern unsigned short	ip_rt_frag_needed(struct iphdr *iph, unsigned short new_mtu);
 extern void		ip_rt_send_redirect(struct sk_buff *skb);
 
-extern unsigned		inet_addr_type(u32 addr);
+extern unsigned		inet_addr_type(__be32 addr);
 extern void		ip_rt_multicast_event(struct in_device *);
 extern int		ip_rt_ioctl(unsigned int cmd, void __user *arg);
 extern void		ip_rt_get_source(u8 *src, struct rtable *rt);