diff --git a/usr/local/www/services_dhcp.php b/usr/local/www/services_dhcp.php
index 39c943473a..a0b85e7571 100755
--- a/usr/local/www/services_dhcp.php
+++ b/usr/local/www/services_dhcp.php
@@ -200,7 +200,7 @@ $ifcfgip = $config['interfaces'][$if]['ipaddr'];
 $ifcfgsn = $config['interfaces'][$if]['subnet'];
 
 function is_inrange($test, $start, $end) {
-	if ( (ip2ulong($test) < ip2ulong($end)) && (ip2ulong($test) > ip2ulong($start)) )
+	if ( (ip2ulong($test) <= ip2ulong($end)) && (ip2ulong($test) >= ip2ulong($start)) )
 		return true;
 	else
 		return false;