diff --git a/4chan_x.user.js b/4chan_x.user.js
index b5d5a38ad..0aa061f42 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -633,7 +633,7 @@
     },
     uniqueid: function(post) {
       var uniqueid;
-      if (uniqueid = $('.posteruid', post)) return uniqueid.textContent;
+      if (uniqueid = $('.posteruid', post.el)) return uniqueid.textContent;
       return false;
     },
     tripcode: function(post) {
diff --git a/script.coffee b/script.coffee
index 0f6a5e595..c0ff8bb20 100644
--- a/script.coffee
+++ b/script.coffee
@@ -557,7 +557,7 @@ filter =
     name = if post.isOP then $ '.postername', post.el else $ '.commentpostername', post.el
     name.textContent
   uniqueid: (post) ->
-    if uniqueid = $ '.posteruid', post
+    if uniqueid = $ '.posteruid', post.el
       return uniqueid.textContent
     false
   tripcode: (post) ->