diff --git a/init.d/custom.d.examples.linux/50-dht4all b/init.d/custom.d.examples.linux/50-dht4all
index f291dde..d2d2f3f 100644
--- a/init.d/custom.d.examples.linux/50-dht4all
+++ b/init.d/custom.d.examples.linux/50-dht4all
@@ -22,8 +22,8 @@ zapret_custom_firewall()
 	local first_packet_only="$ipt_connbytes 1:1"
 
 	f='-p udp -m u32 --u32'
-	uf4='0>>22&0x3C@4>>16=13:0xFFFF && 0>>22&0x3C@8>>16=0x6431:0x6432'
-	uf6='44>>16=13:0xFFFF && 48>>16=0x6431:0x6432'
+	uf4='0>>22&0x3C@4>>16=13:0xFFFF&&0>>22&0x3C@8>>16=0x6431:0x6432'
+	uf6='44>>16=13:0xFFFF&&48>>16=0x6431:0x6432'
 	fw_nfqws_post $1 "$f $uf4 $first_packet_only"  "$f $uf6 $first_packet_only" $QNUM_DHT4ALL
 }
 zapret_custom_firewall_nft()