diff --git a/etc/inc/filter.inc b/etc/inc/filter.inc
index 81d5010d2f..46cb95e1d4 100644
--- a/etc/inc/filter.inc
+++ b/etc/inc/filter.inc
@@ -1164,11 +1164,11 @@ function filter_nat_rules_generate() {
 											$toadd_array[] = $loc_pt_translated;
 										}
 										foreach($toadd_array as $tda){
-											fwrite($inetd_fd, "{$starting_localhost_port}\tstream\ttcp/udp\tnowait/0\tnobody\t/usr/bin/nc nc -u -w {$reflectiontimeout} {$target} {$tda}\n");
+											fwrite($inetd_fd, "{$starting_localhost_port}\tstream\ttcp/udp\tnowait/0\tnobody\t/usr/bin/nc nc -w {$reflectiontimeout} {$target} {$tda}\n");
 									  		if($ifname_real)
 									  			$natrules .= "rdr on \${$ifname_real} proto tcp from any to {$extaddr} port { {$xxx} } -> 127.0.0.1 port {$starting_localhost_port}\n";
 									  		$starting_localhost_port++;
-									  		fwrite($inetd_fd, "{$starting_localhost_port}\tstream\ttcp/udp\tnowait/0\tnobody\t/usr/bin/nc nc -w {$reflectiontimeout} {$target} {$tda}\n");
+									  		fwrite($inetd_fd, "{$starting_localhost_port}\tstream\ttcp/udp\tnowait/0\tnobody\t/usr/bin/nc nc -u -w {$reflectiontimeout} {$target} {$tda}\n");
 									  		if($ifname_real)
 									  			$natrules .= "rdr on \${$ifname_real} proto udp from any to {$extaddr} port { {$xxx} } -> 127.0.0.1 port {$starting_localhost_port}\n";
 									  		$xxx++;