--- /sys/src/9k/ip/ip.h
+++ /sys/src/9k/ip/ip.h
@@ -37,7 +37,6 @@ enum
 {
 	Addrlen=	64,
 	Maxproto=	20,
-	Nhash=		64,
 	Maxincall=	128,	/* max. conn.s in listen q not accepted yet */
 	Nchans=		1024,
 	MAClen=		16,		/* longest mac address */
--- /sys/src/9k/ip/ipaux.c
+++ /sys/src/9k/ip/ipaux.c
@@ -238,7 +238,7 @@ parsemac(uchar *to, char *from, int len)
 ulong
 iphash(uchar *sa, ushort sp, uchar *da, ushort dp)
 {
-	return ((sa[IPaddrlen-1]<<24) ^ (sp << 16) ^ (da[IPaddrlen-1]<<8) ^ dp ) % Nhash;
+	return ((sa[IPaddrlen-1]<<24) ^ (sp << 16) ^ (da[IPaddrlen-1]<<8) ^ dp ) % Nipht;
 }
 
 void