diff --git a/openwrt/package/base-files/default/bin/ipcalc b/openwrt/package/base-files/default/bin/ipcalc
index 23af6a0c3b3..e8efa6b96cf 100755
--- a/openwrt/package/base-files/default/bin/ipcalc
+++ b/openwrt/package/base-files/default/bin/ipcalc
@@ -1,5 +1,4 @@
 #!/bin/sh
-# Copyright (C) 2006 OpenWrt.org
 
 awk -f /usr/lib/common.awk -f - $* <<EOF
 BEGIN {
@@ -27,7 +26,7 @@ BEGIN {
 	
 	if (ARGC > 3) {
 		print "START="int2ip(start)
-		print "END="int2ip(end)
+		print "END="int2ip(end-1)
 	}
 }
 EOF