diff --git a/copyparty/mtag.py b/copyparty/mtag.py
index cedc0c27..7a1d7a62 100644
--- a/copyparty/mtag.py
+++ b/copyparty/mtag.py
@@ -64,7 +64,7 @@ def have_ff(scmd: str) -> bool:
 HAVE_FFMPEG = not os.environ.get("PRTY_NO_FFMPEG") and have_ff("ffmpeg")
 HAVE_FFPROBE = not os.environ.get("PRTY_NO_FFPROBE") and have_ff("ffprobe")
 
-CBZ_PICS = set("png jpg jpeg gif bmp tga tif tiff webp avif".split())
+CBZ_PICS = set("png jpg jpeg gif bmp tga tif tiff webp avif jxl".split())
 CBZ_01 = re.compile(r"(^|[^0-9v])0+[01]\b")
 
 FMT_AU = set("mp3 ogg flac wav".split())
diff --git a/copyparty/web/baguettebox.js b/copyparty/web/baguettebox.js
index c8fbeecb..d4d5534c 100644
--- a/copyparty/web/baguettebox.js
+++ b/copyparty/web/baguettebox.js
@@ -39,7 +39,6 @@ window.baguetteBox = (function () {
         re_i = /^[^?]+\.(a?png|avif|bmp|gif|heif|jfif|jpe?g|jxl|svg|tiff?|webp)(\?|$)/i,
         re_v = /^[^?]+\.(webm|mkv|mp4|m4v|mov)(\?|$)/i,
         re_cbz = /^[^?]+\.(cbz)(\?|$)/i,
-        cbz_pics = ["png", "jpg", "jpeg", "gif", "bmp", "tga", "tif", "tiff", "webp", "avif"],
         anims = ['slideIn', 'fadeIn', 'none'],
         data = {},  // all galleries
         imagesElements = [],
@@ -251,8 +250,7 @@ window.baguetteBox = (function () {
                 var imagesList = fileList.map(function (file) {
                     return file["fn"];
                 }).filter(function (file) {
-                    return file.indexOf(".") !== -1
-                        && cbz_pics.indexOf(file.split(".").pop()) !== -1;
+                    return re_i.test(file);
                 }).sort();
 
                 if (imagesList.length === 0) {