diff --git a/.github/workflows/releases.yml b/.github/workflows/releases.yml
index 04dbca09..23be1d08 100644
--- a/.github/workflows/releases.yml
+++ b/.github/workflows/releases.yml
@@ -25,7 +25,7 @@ jobs:
     steps:
       - name: Get the version
         id: get_version
-        run: echo ::set-output name=VERSION::${GITHUB_REF/refs\/tags\//}
+        run: echo "VERSION=${GITHUB_REF/refs\/tags\//}" >> $GITHUB_OUTPUT
 
       - name: Set up Go
         uses: actions/setup-go@v3
diff --git a/dnscrypt-proxy/xtransport.go b/dnscrypt-proxy/xtransport.go
index 21bc707e..8cfdaa85 100644
--- a/dnscrypt-proxy/xtransport.go
+++ b/dnscrypt-proxy/xtransport.go
@@ -503,17 +503,17 @@ func (xTransport *XTransport) Fetch(
 	if xTransport.h3Transport != nil && !hasAltSupport {
 		if alt, found := resp.Header["Alt-Svc"]; found {
 			dlog.Debugf("Alt-Svc [%s]: [%s]", url.Host, alt)
-			altPort := uint16(port)
+			altPort := uint16(port & 0xffff)
 			for i, xalt := range alt {
 				for j, v := range strings.Split(xalt, ";") {
-					if i > 8 || j > 16 {
+					if i >= 8 || j >= 16 {
 						break
 					}
 					v = strings.TrimSpace(v)
 					if strings.HasPrefix(v, "h3=\":") {
 						v = strings.TrimPrefix(v, "h3=\":")
 						v = strings.TrimSuffix(v, "\"")
-						if xAltPort, err := strconv.ParseUint(v, 10, 16); err == nil && xAltPort <= 65536 {
+						if xAltPort, err := strconv.ParseUint(v, 10, 16); err == nil && xAltPort <= 65535 {
 							altPort = uint16(xAltPort)
 							dlog.Debugf("Using HTTP/3 for [%s]", url.Host)
 							break