diff --git a/blockcheck2.sh b/blockcheck2.sh
index 006ed88..cbd4b13 100755
--- a/blockcheck2.sh
+++ b/blockcheck2.sh
@@ -1354,7 +1354,7 @@ check_domain_http_udp()
 	[ "$SKIP_PKTWS" = 1 ] || {
 		echo
 	        echo preparing $PKTWSD redirection
-		mdig_resolve_all $IPV ips $4
+		mdig_resolve_all $IPV ips $3
 		pktws_ipt_prepare_udp $2 "$ips"
 
 		pktws_check_domain_http3_bypass $1 $3
diff --git a/docs/changes.txt b/docs/changes.txt
index 766be38..a59491a 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -62,6 +62,7 @@ v0.5
 * zapret-lib: instance_cutoff_shim
 * zapret-auto: circular orchestrator
 
-v0.6
+v0.5.1
 
 * zapret-auto: separate failure detection logic
+* blockcheck2: fix broken http3 test