1 files changed, 1 insertions, 1 deletions
diff --git a/arp.h b/arp.h
index 34b15db..ecb82fc 100644
--- a/arp.h
+++ b/arp.h
@@ -20,6 +20,6 @@ struct arpmsg {
 	unsigned char tip[4];
 } __attribute__((__packed__));
 
-int arp(struct ctx *c, struct pool *p);
+int arp(const struct ctx *c, const struct pool *p);
 
 #endif /* ARP_H */