diff --git a/src/Posting/QR.coffee b/src/Posting/QR.coffee
index 738606871..71c81fdc2 100644
--- a/src/Posting/QR.coffee
+++ b/src/Posting/QR.coffee
@@ -134,7 +134,7 @@ QR =
         QR.hasFocus = d.activeElement and QR.nodes.el.contains(d.activeElement)
         QR.nodes.el.classList.toggle 'focus', QR.hasFocus
       # XXX Stop unwanted scrolling due to captcha.
-      if QR.captcha.isEnabled and !QR.captcha.noscript
+      if QR.captcha.isEnabled and QR.captcha is Captcha.v2 and !QR.captcha.noscript
         if QR.inCaptcha()
           QR.scrollY = window.scrollY
           $.on d, 'scroll', QR.scrollLock