diff --git a/sysutils/amrstat/Makefile b/sysutils/amrstat/Makefile
index 6a64fe7abe73..5720e2928017 100644
--- a/sysutils/amrstat/Makefile
+++ b/sysutils/amrstat/Makefile
@@ -2,6 +2,7 @@
 
 PORTNAME=	amrstat
 PORTVERSION=	20070216
+PORTREVISION=	1
 CATEGORIES=	sysutils
 MASTER_SITES=	LOCAL/jkim
 
diff --git a/sysutils/amrstat/files/407.status-amr-raid.in b/sysutils/amrstat/files/407.status-amr-raid.in
index af1a5d1e9c22..9f3bf62558a1 100644
--- a/sysutils/amrstat/files/407.status-amr-raid.in
+++ b/sysutils/amrstat/files/407.status-amr-raid.in
@@ -46,7 +46,7 @@ case "$daily_status_amr_raid_enable" in
 		esac
 		fi
 		lines=`wc -l ${ctrl_log}.today | awk '{ print $1 }'`
-		diff -u -${lines} ${ctrl_log}.yesterday ${ctrl_log}.today
+		diff -U ${lines} ${ctrl_log}.yesterday ${ctrl_log}.today
 		raid_rc=$?
 		if test $raid_rc -eq 0; then
 			cat  ${ctrl_log}.today