diff --git a/4chan_x.user.js b/4chan_x.user.js
index a219b3475..64746ad2a 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1890,7 +1890,7 @@
           }
         } else if (input.name === 'Interval') {
           $.on(input, 'change', function() {
-            return conf['Interval'] = this.value = parseInt(this.value) || conf['Interval'];
+            return conf['Interval'] = this.value = parseInt(this.value, 10) || conf['Interval'];
           });
           $.on(input, 'change', $.cb.value);
         } else if (input.type === 'button') {
diff --git a/script.coffee b/script.coffee
index 4a4eb8429..f448c1567 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1469,7 +1469,7 @@ updater =
           $.on input, 'click', updater.cb.autoUpdate
           updater.cb.autoUpdate.call input
       else if input.name is 'Interval'
-        $.on input, 'change', -> conf['Interval'] = @value = parseInt(@value) or conf['Interval']
+        $.on input, 'change', -> conf['Interval'] = @value = parseInt(@value, 10) or conf['Interval']
         $.on input, 'change', $.cb.value
       else if input.type is 'button'
         $.on input, 'click', updater.update