diff --git a/builds/4chan-X.user.js b/builds/4chan-X.user.js
index d5fb8a0b2..16c89af6a 100644
--- a/builds/4chan-X.user.js
+++ b/builds/4chan-X.user.js
@@ -7495,8 +7495,8 @@
       return this.setThumbnail();
     };
 
-    _Class.prototype.setThumbnail = function(el) {
-      var fileURL, isVideo;
+    _Class.prototype.setThumbnail = function() {
+      var el, fileURL, isVideo;
       isVideo = /^video\//.test(this.file.type);
       el = $.el((isVideo ? 'video' : 'img'));
       $.on(el, (isVideo ? 'loadeddata' : 'load'), (function(_this) {
diff --git a/builds/crx/script.js b/builds/crx/script.js
index 56b8a44aa..39773e6f4 100644
--- a/builds/crx/script.js
+++ b/builds/crx/script.js
@@ -7536,8 +7536,8 @@
       return this.setThumbnail();
     };
 
-    _Class.prototype.setThumbnail = function(el) {
-      var fileURL, isVideo;
+    _Class.prototype.setThumbnail = function() {
+      var el, fileURL, isVideo;
       isVideo = /^video\//.test(this.file.type);
       el = $.el((isVideo ? 'video' : 'img'));
       $.on(el, (isVideo ? 'loadeddata' : 'load'), (function(_this) {
diff --git a/src/Posting/QR.post.coffee b/src/Posting/QR.post.coffee
index ad6c38cdc..3ce11883c 100644
--- a/src/Posting/QR.post.coffee
+++ b/src/Posting/QR.post.coffee
@@ -171,7 +171,7 @@ QR.post = class
       return
     @setThumbnail()
 
-  setThumbnail: (el) ->
+  setThumbnail: ->
     # Create a redimensioned thumbnail.
     isVideo = /^video\//.test @file.type
     el = $.el (if isVideo then 'video' else 'img')