diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0786a3153..87cbaa010 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,9 @@
 
 ### v1.13.15
 
+**v1.13.15.8** *(2018-02-01)* - [[Userscript](https://raw.githubusercontent.com/ccd0/4chan-x/1.13.15.8/builds/4chan-X-noupdate.user.js)] [[Chrome extension](https://raw.githubusercontent.com/ccd0/4chan-x/1.13.15.8/builds/4chan-X-noupdate.crx)]
+- Captcha bypass cookie does not work for starting threads. Updating to treat this case correctly.
+
 **v1.13.15.7** *(2018-01-27)* - [[Userscript](https://raw.githubusercontent.com/ccd0/4chan-x/1.13.15.7/builds/4chan-X-noupdate.user.js)] [[Chrome extension](https://raw.githubusercontent.com/ccd0/4chan-x/1.13.15.7/builds/4chan-X-noupdate.crx)]
 - Show video contract button unconditionally for now due to changes in Firefox.
 - Fix webm_audio undefined error shown on first install of script. #1778
diff --git a/src/Posting/Captcha.cache.coffee b/src/Posting/Captcha.cache.coffee
index bbd20657f..2c0ea4b7b 100644
--- a/src/Posting/Captcha.cache.coffee
+++ b/src/Posting/Captcha.cache.coffee
@@ -10,7 +10,7 @@ Captcha.cache =
 
   needed: ->
     not (
-      /\b_ct=/.test(d.cookie) or @captchas.length or QR.req
+      (/\b_ct=/.test(d.cookie) and QR.posts[0].thread isnt 'new') or @captchas.length or QR.req
     ) and (
       QR.posts.length > 1 or Conf['Auto-load captcha'] or QR.posts[0].com or QR.posts[0].file
     )
diff --git a/src/Posting/QR.coffee b/src/Posting/QR.coffee
index 69395fc76..7d5b0de65 100644
--- a/src/Posting/QR.coffee
+++ b/src/Posting/QR.coffee
@@ -657,7 +657,7 @@ QR =
     if g.BOARD.ID is 'r9k' and !post.com?.match(/[a-z-]/i)
       err or= 'Original comment required.'
 
-    if QR.captcha.isEnabled and !/\b_ct=/.test(d.cookie) and !err
+    if QR.captcha.isEnabled and !(/\b_ct=/.test(d.cookie) and threadID) and !err
       captcha = QR.captcha.getOne(!!threadID)
       unless captcha
         err = 'No valid captcha.'