diff --git a/4chan_x.user.js b/4chan_x.user.js
index 1475c7552..3623f8d83 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1836,7 +1836,7 @@
         });
         ta.style.cssText = $.get('QR.size', '');
       }
-      mimeTypes = $('ul.rules').firstElementChild.textContent.match(/: (.+) /)[1].toLowerCase().replace(/\w+/g, function(type) {
+      mimeTypes = $('ul.rules').firstElementChild.textContent.match(/: (.+)/)[1].toLowerCase().replace(/\w+/g, function(type) {
         switch (type) {
           case 'jpg':
             return 'image/jpeg';
diff --git a/script.coffee b/script.coffee
index d15e27bcc..2d8f49d5d 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1403,7 +1403,7 @@ QR =
       ta.style.cssText = $.get 'QR.size', ''
 
     # Allow only this board's supported files.
-    mimeTypes = $('ul.rules').firstElementChild.textContent.match(/: (.+) /)[1].toLowerCase().replace /\w+/g, (type) ->
+    mimeTypes = $('ul.rules').firstElementChild.textContent.match(/: (.+)/)[1].toLowerCase().replace /\w+/g, (type) ->
       switch type
         when 'jpg'
           'image/jpeg'