diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d3bf38b5..f50f503e0 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,9 @@ Sometimes the changelog has notes (not comprehensive) acknowledging people's wor
 
 ### v1.11.7
 
+**v1.11.7.5** *(2015-08-10)* - [[Firefox](https://raw.githubusercontent.com/ccd0/4chan-x/1.11.7.5/builds/4chan-X-noupdate.user.js "Firefox version")] [[Chromium](https://raw.githubusercontent.com/ccd0/4chan-x/1.11.7.5/builds/4chan-X-noupdate.crx "Chromium version")]
+- Fix captcha issues in Pale Moon.
+
 **v1.11.7.4** *(2015-08-08)* - [[Firefox](https://raw.githubusercontent.com/ccd0/4chan-x/1.11.7.4/builds/4chan-X-noupdate.user.js "Firefox version")] [[Chromium](https://raw.githubusercontent.com/ccd0/4chan-x/1.11.7.4/builds/4chan-X-noupdate.crx "Chromium version")]
 - Fix cooldown bug.
 
diff --git a/src/General/Main.coffee b/src/General/Main.coffee
index a8a9b7891..54a5eb533 100755
--- a/src/General/Main.coffee
+++ b/src/General/Main.coffee
@@ -1,5 +1,8 @@
 Main =
   init: ->
+    # XXX Work around Pale Moon iframe bug.
+    return if d.body and not d.head.firstChild
+
     # XXX dwb userscripts extension reloads scripts run at document-start when replaceState/pushState is called.
     return if window['<%= meta.name %> antidup']
     window['<%= meta.name %> antidup'] = true