diff --git a/4chan_x.user.js b/4chan_x.user.js
index a70aef18b..c07d413a9 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -2085,14 +2085,15 @@
       return ThreadHiding.saveHiddenState(thread);
     },
     hide: function(thread, makeStub) {
-      var a, numReplies, opInfo, span, threadRoot;
+      var OP, a, numReplies, opInfo, span, threadRoot;
       if (makeStub == null) {
         makeStub = Conf['Stubs'];
       }
       if (thread.hidden) {
         return;
       }
-      threadRoot = thread.OP.nodes.root.parentNode;
+      OP = thread.OP;
+      threadRoot = OP.nodes.root.parentNode;
       threadRoot.hidden = thread.isHidden = true;
       if (!makeStub) {
         threadRoot.nextElementSibling.hidden = true;
@@ -2104,7 +2105,7 @@
       }
       numReplies += $$('.opContainer ~ .replyContainer', threadRoot).length;
       numReplies = numReplies === 1 ? '1 reply' : "" + numReplies + " replies";
-      opInfo = Conf['Anonymize'] ? 'Anonymous' : $('.nameBlock', op.nodes.info).textContent;
+      opInfo = Conf['Anonymize'] ? 'Anonymous' : $('.nameBlock', OP.nodes.info).textContent;
       a = ThreadHiding.makeButton(thread, 'show');
       $.add(a, $.tn(" " + opInfo + " (" + numReplies + ")"));
       thread.stub = $.el('div', {
@@ -2112,7 +2113,7 @@
       });
       $.add(thread.stub, a);
       if (Conf['Menu']) {
-        $.add(thread.stub, [$.tn(' '), Menu.makeButton(op)]);
+        $.add(thread.stub, [$.tn(' '), Menu.makeButton(OP)]);
       }
       return $.before(threadRoot, thread.stub);
     },
diff --git a/src/features.coffee b/src/features.coffee
index fc5c94659..3ebf53fb2 100644
--- a/src/features.coffee
+++ b/src/features.coffee
@@ -1008,7 +1008,8 @@ ThreadHiding =
 
   hide: (thread, makeStub=Conf['Stubs']) ->
     return if thread.hidden
-    threadRoot = thread.OP.nodes.root.parentNode
+    {OP} = thread
+    threadRoot = OP.nodes.root.parentNode
     threadRoot.hidden = thread.isHidden = true
 
     unless makeStub
@@ -1024,7 +1025,7 @@ ThreadHiding =
       if Conf['Anonymize']
         'Anonymous'
       else
-        $('.nameBlock', op.nodes.info).textContent
+        $('.nameBlock', OP.nodes.info).textContent
 
     a = ThreadHiding.makeButton thread, 'show'
     $.add a, $.tn " #{opInfo} (#{numReplies})"
@@ -1032,7 +1033,7 @@ ThreadHiding =
       className: 'stub'
     $.add thread.stub, a
     if Conf['Menu']
-      $.add thread.stub, [$.tn(' '), Menu.makeButton op]
+      $.add thread.stub, [$.tn(' '), Menu.makeButton OP]
     $.before threadRoot, thread.stub
 
   show: (thread) ->