diff --git a/4chan_x.user.js b/4chan_x.user.js
index d8f980701..393a0200e 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1502,7 +1502,7 @@
       $.on($('#recaptcha_challenge_field_holder'), 'DOMNodeInserted', qr.captchaNode);
       qr.captchaTime = Date.now();
       qr.spoiler = $('.postarea label') ? '<label> [<input type=checkbox name=spoiler>Spoiler Image?]</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 2175ab9c1..72c427c9a 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1127,7 +1127,7 @@ qr =
     qr.captchaTime = Date.now()
 
     qr.spoiler = if $('.postarea label') then '<label> [<input type=checkbox name=spoiler>Spoiler Image?]</label>' 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'