diff --git a/internal/dav/listing.go b/internal/dav/listing.go
index 156856d..9713c26 100644
--- a/internal/dav/listing.go
+++ b/internal/dav/listing.go
@@ -13,18 +13,19 @@ import (
 )
 
 func HandleListDirectories(torMgr *torrent.TorrentManager) ([]byte, error) {
-	davDoc := "<?xml version=\"1.0\" encoding=\"utf-8\"?><d:multistatus xmlns:d=\"DAV:\">"
-	davDoc += dav.BaseDirectory("", "")
+	var buf bytes.Buffer
+	buf.WriteString("<?xml version=\"1.0\" encoding=\"utf-8\"?><d:multistatus xmlns:d=\"DAV:\">")
+	buf.WriteString(dav.BaseDirectory("", ""))
 	directories := torMgr.DirectoryMap.Keys()
 	sort.Strings(directories)
 	for _, directory := range directories {
 		if strings.HasPrefix(directory, "int__") {
 			continue
 		}
-		davDoc += dav.Directory(directory, "")
+		buf.WriteString(dav.Directory(directory, ""))
 	}
-	davDoc += "</d:multistatus>"
-	return []byte(davDoc), nil
+	buf.WriteString("</d:multistatus>")
+	return buf.Bytes(), nil
 }
 
 func HandleListTorrents(directory string, torMgr *torrent.TorrentManager, log *logutil.Logger) ([]byte, error) {
diff --git a/internal/http/listing.go b/internal/http/listing.go
index ed671c8..df21f04 100644
--- a/internal/http/listing.go
+++ b/internal/http/listing.go
@@ -1,6 +1,7 @@
 package http
 
 import (
+	"bytes"
 	"fmt"
 	"net/url"
 	"path/filepath"
@@ -12,8 +13,9 @@ import (
 	"github.com/debridmediamanager/zurg/pkg/logutil"
 )
 
-func HandleListDirectories(torMgr *torrent.TorrentManager) (*string, error) {
-	htmlDoc := "<ol>"
+func HandleListDirectories(torMgr *torrent.TorrentManager) ([]byte, error) {
+	var buf bytes.Buffer
+	buf.WriteString("<ol>")
 	directories := torMgr.DirectoryMap.Keys()
 	sort.Strings(directories)
 	for _, directory := range directories {
@@ -21,19 +23,20 @@ func HandleListDirectories(torMgr *torrent.TorrentManager) (*string, error) {
 			continue
 		}
 		directoryPath := url.PathEscape(directory)
-		htmlDoc += fmt.Sprintf("<li><a href=\"/http/%s/\">%s</a></li>", directoryPath, directory)
+		buf.WriteString(fmt.Sprintf("<li><a href=\"/http/%s/\">%s</a></li>", directoryPath, directory))
 	}
 
-	return &htmlDoc, nil
+	return buf.Bytes(), nil
 }
 
-func HandleListTorrents(directory string, torMgr *torrent.TorrentManager, log *logutil.Logger) (*string, error) {
+func HandleListTorrents(directory string, torMgr *torrent.TorrentManager, log *logutil.Logger) ([]byte, error) {
 	torrents, ok := torMgr.DirectoryMap.Get(directory)
 	if !ok {
 		return nil, fmt.Errorf("cannot find directory %s", directory)
 	}
 
-	htmlDoc := "<ol>"
+	var buf bytes.Buffer
+	buf.WriteString("<ol>")
 	var allTorrents []*torrent.Torrent
 	torrents.IterCb(func(_ string, tor *torrent.Torrent) {
 		if tor.AllInProgress() {
@@ -45,12 +48,12 @@ func HandleListTorrents(directory string, torMgr *torrent.TorrentManager, log *l
 		return allTorrents[i].AccessKey < allTorrents[j].AccessKey
 	})
 	for _, tor := range allTorrents {
-		htmlDoc = htmlDoc + fmt.Sprintf("<li><a href=\"/http/%s/\">%s</a></li>", filepath.Join(directory, url.PathEscape(tor.AccessKey)), tor.AccessKey)
+		buf.WriteString(fmt.Sprintf("<li><a href=\"/http/%s/\">%s</a></li>", filepath.Join(directory, url.PathEscape(tor.AccessKey)), tor.AccessKey))
 	}
-	return &htmlDoc, nil
+	return buf.Bytes(), nil
 }
 
-func HandleListFiles(directory, torrentName string, torMgr *torrent.TorrentManager, log *logutil.Logger) (*string, error) {
+func HandleListFiles(directory, torrentName string, torMgr *torrent.TorrentManager, log *logutil.Logger) ([]byte, error) {
 	torrents, ok := torMgr.DirectoryMap.Get(directory)
 	if !ok {
 		return nil, fmt.Errorf("cannot find directory %s", directory)
@@ -66,7 +69,8 @@ func HandleListFiles(directory, torrentName string, torMgr *torrent.TorrentManag
 		biggestFileSize = tor.ComputeBiggestFileSize()
 	}
 
-	htmlDoc := "<ol>"
+	var buf bytes.Buffer
+	buf.WriteString("<ol>")
 	filenames := tor.SelectedFiles.Keys()
 	sort.Strings(filenames)
 	for _, filename := range filenames {
@@ -78,7 +82,7 @@ func HandleListFiles(directory, torrentName string, torMgr *torrent.TorrentManag
 			continue
 		}
 		filePath := filepath.Join(directory, torrentName, url.PathEscape(filename))
-		htmlDoc += fmt.Sprintf("<li><a href=\"/http/%s\">%s</a></li>", filePath, filename)
+		buf.WriteString(fmt.Sprintf("<li><a href=\"/http/%s\">%s</a></li>", filePath, filename))
 	}
-	return &htmlDoc, nil
+	return buf.Bytes(), nil
 }
diff --git a/internal/router/router.go b/internal/router/router.go
index c030645..478848c 100644
--- a/internal/router/router.go
+++ b/internal/router/router.go
@@ -89,7 +89,7 @@ func (zr *ZurgRouter) httpTorrentDirectoryHandler(resp http.ResponseWriter, req
 	}
 	resp.Header().Set("Content-Type", "text/html; charset=\"utf-8\"")
 	resp.WriteHeader(http.StatusOK)
-	fmt.Fprint(resp, *out)
+	resp.Write(out)
 }
 
 func (zr *ZurgRouter) httpDirectoryHandler(resp http.ResponseWriter, req *http.Request, params httprouter.Params) {
@@ -101,7 +101,7 @@ func (zr *ZurgRouter) httpDirectoryHandler(resp http.ResponseWriter, req *http.R
 	}
 	resp.Header().Set("Content-Type", "text/html; charset=\"utf-8\"")
 	resp.WriteHeader(http.StatusOK)
-	fmt.Fprint(resp, *out)
+	resp.Write(out)
 }
 
 func (zr *ZurgRouter) httpRootHandler(resp http.ResponseWriter, req *http.Request, params httprouter.Params) {
@@ -112,7 +112,7 @@ func (zr *ZurgRouter) httpRootHandler(resp http.ResponseWriter, req *http.Reques
 	}
 	resp.Header().Set("Content-Type", "text/html; charset=\"utf-8\"")
 	resp.WriteHeader(http.StatusOK)
-	fmt.Fprint(resp, *out)
+	resp.Write(out)
 }
 
 func (zr *ZurgRouter) propfindFileHandler(resp http.ResponseWriter, req *http.Request, params httprouter.Params) {