diff --git a/assets/js/dev/gallery.js b/assets/js/dev/gallery.js
index 17163dd7..8cc359c3 100644
--- a/assets/js/dev/gallery.js
+++ b/assets/js/dev/gallery.js
@@ -24,7 +24,7 @@ async function get_gallery(galleryid) {
 
     Array.from(doc.querySelectorAll('#lang-list a')).forEach(elm => lang_list[elm.innerText] = elm.getAttribute('href').slice(11, -5));
 
-    const cover = doc.querySelector('.cover img').src;
+    const cover = doc.querySelector('.cover img').src.replace('bigtn', 'webpbigtn').replace(/.jpg$/, '.webp');
 
     const title = doc.querySelector('.gallery h1 a').innerText;
     const artists = Array.from(doc.querySelectorAll('.gallery h2 a'), elm => elm.innerText);
diff --git a/hitomi-dev.html.ver b/hitomi-dev.html.ver
index e6c5b462..b3eff34c 100644
--- a/hitomi-dev.html.ver
+++ b/hitomi-dev.html.ver
@@ -1 +1 @@
-0.0.7-DEV04
\ No newline at end of file
+0.0.7-DEV05
\ No newline at end of file