diff --git a/4chan_x.user.js b/4chan_x.user.js
index c01bdd971..979700ab4 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1497,7 +1497,7 @@
$.on($('#recaptcha_challenge_field_holder'), 'DOMNodeInserted', qr.captchaNode);
qr.captchaTime = Date.now();
qr.spoiler = $('.postarea label') ? '' : '';
- qr.acceptFiles = $('.rules').textContent.match(/: (.+) /)[1].replace(/\w+/g, function(type) {
+ qr.acceptFiles = $('.rules').textContent.match(/: (.+)/)[1].replace(/\w+/g, function(type) {
switch (type) {
case 'JPG':
return 'image/JPEG';
diff --git a/script.coffee b/script.coffee
index 637ad3bd8..7632d65c1 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1123,7 +1123,7 @@ qr =
qr.captchaTime = Date.now()
qr.spoiler = if $('.postarea label') then '' else ''
- qr.acceptFiles = $('.rules').textContent.match(/: (.+) /)[1].replace /\w+/g, (type) ->
+ qr.acceptFiles = $('.rules').textContent.match(/: (.+)/)[1].replace /\w+/g, (type) ->
switch type
when 'JPG'
'image/JPEG'