diff --git a/assets/js/dev/gallery.js b/assets/js/dev/gallery.js
index 8cc359c3..752cff39 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.replace('bigtn', 'webpbigtn').replace(/.jpg$/, '.webp');
+    const cover = replace_jpg_tn(doc.querySelector('.cover img').src);
 
     const title = doc.querySelector('.gallery h1 a').innerText;
     const artists = Array.from(doc.querySelectorAll('.gallery h2 a'), elm => elm.innerText);
diff --git a/assets/js/dev/galleryblock.js b/assets/js/dev/galleryblock.js
index 88e58d94..2e7b5a58 100644
--- a/assets/js/dev/galleryblock.js
+++ b/assets/js/dev/galleryblock.js
@@ -11,7 +11,7 @@ async function get_gallery_block(galleryid) {
     const gallery_url = title_elm.href;
     const title = title_elm.textContent;
 
-    const thumbnails = Array.from(doc.querySelectorAll('.dj-img-cont img'), elm => `https:${elm.getAttribute('data-src').replace('bigtn', 'webpbigtn').replace(/.jpg$/, '.webp')}`);
+    const thumbnails = Array.from(doc.querySelectorAll('.dj-img-cont img'), elm => replace_jpg_tn(elm.getAttribute('data-src')));
 
     const artists = Array.from(doc.querySelectorAll('.artist-list a'), elm => elm.innerText);
     const series = Array.from(doc.querySelectorAll('a[href^="/series/"]'), elm => elm.innerText);
diff --git a/assets/js/dev/misc.js b/assets/js/dev/misc.js
index e6185811..76bc19af 100644
--- a/assets/js/dev/misc.js
+++ b/assets/js/dev/misc.js
@@ -61,4 +61,10 @@ function do_search(query) {
             put_results_on_page();
         }
     });
+}
+
+function replace_jpg_tn(tn) {
+    if (tn.endsWith('jpg')) tn = tn.replace('bigtn', 'webpbigtn').replace(/jpg$/, 'webp');
+
+    return `https:${tn}`
 }
\ No newline at end of file
diff --git a/hitomi-dev.html.ver b/hitomi-dev.html.ver
index b543d7b4..e4985bc8 100644
--- a/hitomi-dev.html.ver
+++ b/hitomi-dev.html.ver
@@ -1 +1 @@
-0.0.7-DEV06
\ No newline at end of file
+0.0.7-DEV07
\ No newline at end of file