diff --git a/CHANGELOG.md b/CHANGELOG.md
index 96e592603..fff40b931 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,9 @@
 
 ### 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/builds/4chan-X-beta.crx b/builds/4chan-X-beta.crx
index fb0571bac..85c6aaf4f 100644
Binary files a/builds/4chan-X-beta.crx and b/builds/4chan-X-beta.crx differ
diff --git a/builds/4chan-X-beta.meta.js b/builds/4chan-X-beta.meta.js
index 95d630556..067cc799d 100644
--- a/builds/4chan-X-beta.meta.js
+++ b/builds/4chan-X-beta.meta.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         4chan X beta
-// @version      1.13.15.7
+// @version      1.13.15.8
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
diff --git a/builds/4chan-X-beta.user.js b/builds/4chan-X-beta.user.js
index e285d411b..4874b4fe9 100644
--- a/builds/4chan-X-beta.user.js
+++ b/builds/4chan-X-beta.user.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         4chan X beta
-// @version      1.13.15.7
+// @version      1.13.15.8
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
@@ -159,7 +159,7 @@ docSet = function() {
 };
 
 g = {
-  VERSION:   '1.13.15.7',
+  VERSION:   '1.13.15.8',
   NAMESPACE: '4chan X.',
   boards:    {}
 };
@@ -20165,7 +20165,7 @@ Captcha = {};
       return this.captchas.length;
     },
     needed: function() {
-      return !(/\b_ct=/.test(d.cookie) || this.captchas.length || QR.req) && (QR.posts.length > 1 || Conf['Auto-load captcha'] || QR.posts[0].com || QR.posts[0].file);
+      return !((/\b_ct=/.test(d.cookie) && QR.posts[0].thread !== 'new') || this.captchas.length || QR.req) && (QR.posts.length > 1 || Conf['Auto-load captcha'] || QR.posts[0].com || QR.posts[0].file);
     },
     getOne: function(isReply) {
       var captcha, i;
@@ -22226,7 +22226,7 @@ QR = (function() {
       if (g.BOARD.ID === 'r9k' && !((ref = post.com) != null ? ref.match(/[a-z-]/i) : void 0)) {
         err || (err = 'Original comment required.');
       }
-      if (QR.captcha.isEnabled && !/\b_ct=/.test(d.cookie) && !err) {
+      if (QR.captcha.isEnabled && !(/\b_ct=/.test(d.cookie) && threadID) && !err) {
         captcha = QR.captcha.getOne(!!threadID);
         if (!captcha) {
           err = 'No valid captcha.';
diff --git a/builds/4chan-X-noupdate.crx b/builds/4chan-X-noupdate.crx
index 0dcb100bc..950fad9b1 100644
Binary files a/builds/4chan-X-noupdate.crx and b/builds/4chan-X-noupdate.crx differ
diff --git a/builds/4chan-X-noupdate.user.js b/builds/4chan-X-noupdate.user.js
index 8113d24e6..a4fe82c5b 100644
--- a/builds/4chan-X-noupdate.user.js
+++ b/builds/4chan-X-noupdate.user.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         4chan X
-// @version      1.13.15.7
+// @version      1.13.15.8
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
@@ -159,7 +159,7 @@ docSet = function() {
 };
 
 g = {
-  VERSION:   '1.13.15.7',
+  VERSION:   '1.13.15.8',
   NAMESPACE: '4chan X.',
   boards:    {}
 };
@@ -20165,7 +20165,7 @@ Captcha = {};
       return this.captchas.length;
     },
     needed: function() {
-      return !(/\b_ct=/.test(d.cookie) || this.captchas.length || QR.req) && (QR.posts.length > 1 || Conf['Auto-load captcha'] || QR.posts[0].com || QR.posts[0].file);
+      return !((/\b_ct=/.test(d.cookie) && QR.posts[0].thread !== 'new') || this.captchas.length || QR.req) && (QR.posts.length > 1 || Conf['Auto-load captcha'] || QR.posts[0].com || QR.posts[0].file);
     },
     getOne: function(isReply) {
       var captcha, i;
@@ -22226,7 +22226,7 @@ QR = (function() {
       if (g.BOARD.ID === 'r9k' && !((ref = post.com) != null ? ref.match(/[a-z-]/i) : void 0)) {
         err || (err = 'Original comment required.');
       }
-      if (QR.captcha.isEnabled && !/\b_ct=/.test(d.cookie) && !err) {
+      if (QR.captcha.isEnabled && !(/\b_ct=/.test(d.cookie) && threadID) && !err) {
         captcha = QR.captcha.getOne(!!threadID);
         if (!captcha) {
           err = 'No valid captcha.';
diff --git a/builds/4chan-X.crx b/builds/4chan-X.crx
index f2c6436a2..b66872c19 100644
Binary files a/builds/4chan-X.crx and b/builds/4chan-X.crx differ
diff --git a/builds/4chan-X.meta.js b/builds/4chan-X.meta.js
index cac914e8b..ad63d999a 100644
--- a/builds/4chan-X.meta.js
+++ b/builds/4chan-X.meta.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         4chan X
-// @version      1.13.15.7
+// @version      1.13.15.8
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
diff --git a/builds/4chan-X.user.js b/builds/4chan-X.user.js
index dacd16032..0bf105785 100644
--- a/builds/4chan-X.user.js
+++ b/builds/4chan-X.user.js
@@ -1,6 +1,6 @@
 // ==UserScript==
 // @name         4chan X
-// @version      1.13.15.7
+// @version      1.13.15.8
 // @minGMVer     1.14
 // @minFFVer     26
 // @namespace    4chan-X
@@ -159,7 +159,7 @@ docSet = function() {
 };
 
 g = {
-  VERSION:   '1.13.15.7',
+  VERSION:   '1.13.15.8',
   NAMESPACE: '4chan X.',
   boards:    {}
 };
@@ -20165,7 +20165,7 @@ Captcha = {};
       return this.captchas.length;
     },
     needed: function() {
-      return !(/\b_ct=/.test(d.cookie) || this.captchas.length || QR.req) && (QR.posts.length > 1 || Conf['Auto-load captcha'] || QR.posts[0].com || QR.posts[0].file);
+      return !((/\b_ct=/.test(d.cookie) && QR.posts[0].thread !== 'new') || this.captchas.length || QR.req) && (QR.posts.length > 1 || Conf['Auto-load captcha'] || QR.posts[0].com || QR.posts[0].file);
     },
     getOne: function(isReply) {
       var captcha, i;
@@ -22226,7 +22226,7 @@ QR = (function() {
       if (g.BOARD.ID === 'r9k' && !((ref = post.com) != null ? ref.match(/[a-z-]/i) : void 0)) {
         err || (err = 'Original comment required.');
       }
-      if (QR.captcha.isEnabled && !/\b_ct=/.test(d.cookie) && !err) {
+      if (QR.captcha.isEnabled && !(/\b_ct=/.test(d.cookie) && threadID) && !err) {
         captcha = QR.captcha.getOne(!!threadID);
         if (!captcha) {
           err = 'No valid captcha.';
diff --git a/builds/4chan-X.zip b/builds/4chan-X.zip
index 889b8b6fe..2680ea78a 100644
Binary files a/builds/4chan-X.zip and b/builds/4chan-X.zip differ
diff --git a/builds/updates-beta.json b/builds/updates-beta.json
index 369107bc3..ba0cb72e1 100644
--- a/builds/updates-beta.json
+++ b/builds/updates-beta.json
@@ -3,7 +3,7 @@
     "4chan-x@4chan-x.net": {
       "updates": [
         {
-          "version": "1.13.15.7",
+          "version": "1.13.15.8",
           "update_link": "https://www.4chan-x.net/builds/4chan-X-beta.crx"
         }
       ]
diff --git a/builds/updates-beta.xml b/builds/updates-beta.xml
index 4baf924df..6b2acc0d3 100644
--- a/builds/updates-beta.xml
+++ b/builds/updates-beta.xml
@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <gupdate xmlns='http://www.google.com/update2/response' protocol='2.0'>
   <app appid='lacclbnghgdicfifcamcmcnilckjamag'>
-    <updatecheck codebase='https://www.4chan-x.net/builds/4chan-X-beta.crx' version='1.13.15.7' />
+    <updatecheck codebase='https://www.4chan-x.net/builds/4chan-X-beta.crx' version='1.13.15.8' />
   </app>
 </gupdate>
 
diff --git a/builds/updates.json b/builds/updates.json
index f33b346de..160a02f6d 100644
--- a/builds/updates.json
+++ b/builds/updates.json
@@ -3,7 +3,7 @@
     "4chan-x@4chan-x.net": {
       "updates": [
         {
-          "version": "1.13.15.7",
+          "version": "1.13.15.8",
           "update_link": "https://www.4chan-x.net/builds/4chan-X.crx"
         }
       ]
diff --git a/builds/updates.xml b/builds/updates.xml
index 80b1ce3e1..7b207f222 100644
--- a/builds/updates.xml
+++ b/builds/updates.xml
@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <gupdate xmlns='http://www.google.com/update2/response' protocol='2.0'>
   <app appid='lacclbnghgdicfifcamcmcnilckjamag'>
-    <updatecheck codebase='https://www.4chan-x.net/builds/4chan-X.crx' version='1.13.15.7' />
+    <updatecheck codebase='https://www.4chan-x.net/builds/4chan-X.crx' version='1.13.15.8' />
   </app>
 </gupdate>
 
diff --git a/version.json b/version.json
index a96c04c8c..ba89a2452 100644
--- a/version.json
+++ b/version.json
@@ -1,4 +1,4 @@
 {
-  "version": "1.13.15.7",
-  "date": "2018-01-27T06:33:20.152Z"
+  "version": "1.13.15.8",
+  "date": "2018-02-01T04:29:02.005Z"
 }
\ No newline at end of file