diff --git a/4chan_x.user.js b/4chan_x.user.js
index 134dfcb87..d181dd1b9 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -1327,15 +1327,12 @@
       return captcha;
     },
     change: function(e) {
-      var a, p;
       if (this.files[0].size > QR.MAX_FILE_SIZE) {
         alert('Error: File too large.');
         QR.resetFile(this);
         return $('[type=file]', QR.qr).click();
       } else {
-        p = this.parentNode;
-        a = p.parentNode;
-        if (a.id === 'files' && !p.nextSibling) {
+        if (this === $('#files div:last-of-type input', QR.qr)) {
           return QR.attach();
         }
       }
diff --git a/script.coffee b/script.coffee
index 3238f9372..495774333 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1042,9 +1042,7 @@ QR =
       QR.resetFile @
       $('[type=file]', QR.qr).click()
     else
-      p = @parentNode
-      a = p.parentNode
-      if a.id is 'files' and not p.nextSibling
+      if @ is $('#files div:last-of-type input', QR.qr)
         QR.attach()
   close: ->
     $.rm QR.qr