diff --git a/4chan_x.user.js b/4chan_x.user.js
index 240f75585..930246e3d 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -6379,7 +6379,8 @@
         input = $.el('input', {
           className: 'captcha-input field',
           title: 'Verification',
-          autocomplete: 'off'
+          autocomplete: 'off',
+          spellcheck: false
         });
         this.nodes = {
           challenge: $.id('recaptcha_challenge_field_holder'),
diff --git a/src/qr.coffee b/src/qr.coffee
index def52a63b..db47f1691 100644
--- a/src/qr.coffee
+++ b/src/qr.coffee
@@ -571,6 +571,7 @@ QR =
         className: 'captcha-input field'
         title: 'Verification'
         autocomplete: 'off'
+        spellcheck: false
       @nodes =
         challenge: $.id 'recaptcha_challenge_field_holder'
         img:       imgContainer.firstChild