diff --git a/app/controllers/legislation/annotations_controller.rb b/app/controllers/legislation/annotations_controller.rb
index a25248032..7f6e2e663 100644
--- a/app/controllers/legislation/annotations_controller.rb
+++ b/app/controllers/legislation/annotations_controller.rb
@@ -8,7 +8,7 @@ class Legislation::AnnotationsController < Legislation::BaseController
   load_and_authorize_resource :draft_version, through: :process
   load_and_authorize_resource
 
-  has_orders %w{most_voted newest}, only: :show
+  has_orders %w[most_voted newest oldest], only: :show
 
   def index
     @annotations = @draft_version.annotations
diff --git a/lib/comment_tree.rb b/lib/comment_tree.rb
index f43ab7e40..eedb64d96 100644
--- a/lib/comment_tree.rb
+++ b/lib/comment_tree.rb
@@ -2,14 +2,17 @@ class CommentTree
 
   ROOT_COMMENTS_PER_PAGE = 10
 
-  attr_accessor :root_comments, :comments, :commentable, :page, :order
+  attr_reader :root_comments, :commentable, :page, :order
 
   def initialize(commentable, page, order = "confidence_score", valuations: false)
     @commentable = commentable
     @page = page
     @order = order
     @valuations = valuations
-    @comments = root_comments + root_descendants
+  end
+
+  def comments
+    @comments ||= root_comments + root_descendants
   end
 
   def root_comments
diff --git a/lib/merged_comment_tree.rb b/lib/merged_comment_tree.rb
index 30bacbaf8..81916908e 100644
--- a/lib/merged_comment_tree.rb
+++ b/lib/merged_comment_tree.rb
@@ -1,28 +1,13 @@
 class MergedCommentTree < CommentTree
-  attr_accessor :commentables, :array_order
+  attr_reader :commentables
 
   def initialize(commentables, page, order = "confidence_score")
     @commentables = commentables
-    @commentable = commentables.first
-    @page = page
-    @order = order
-    @array_order = set_array_order(order)
-
-    @comments = root_comments + root_descendants
+    super(commentables.first, page, order)
   end
 
-  def root_comments
-    Kaminari.paginate_array(commentables.flatten.map(&:comments).map(&:roots).flatten.sort_by {|a| a[array_order]}.reverse).
-    page(page).per(ROOT_COMMENTS_PER_PAGE)
-  end
-
-  def set_array_order(order)
-    case order
-    when "newest"
-      "created_at"
-    else
-      "confidence_score"
-    end
+  def base_comments
+    Comment.where(commentable: commentables.flatten)
   end
 
 end
diff --git a/spec/features/comments/legislation_annotations_spec.rb b/spec/features/comments/legislation_annotations_spec.rb
index f226cf529..5b608058a 100644
--- a/spec/features/comments/legislation_annotations_spec.rb
+++ b/spec/features/comments/legislation_annotations_spec.rb
@@ -14,7 +14,7 @@ describe "Commenting legislation questions" do
 
     expect(page).to have_css(".comment", count: 4)
 
-    comment = Comment.first
+    comment = Comment.last
     within first(".comment") do
       expect(page).to have_content comment.user.name
       expect(page).to have_content I18n.l(comment.created_at, format: :datetime)
@@ -144,7 +144,7 @@ describe "Commenting legislation questions" do
                                                             legislation_annotation.draft_version,
                                                             legislation_annotation)
 
-    within all(".comment").last do
+    within all(".comment").first do
       expect(page).to have_content "Built with http://rubyonrails.org/"
       expect(page).to have_link("http://rubyonrails.org/", href: "http://rubyonrails.org/")
       expect(find_link("http://rubyonrails.org/")[:rel]).to eq("nofollow")
@@ -160,7 +160,7 @@ describe "Commenting legislation questions" do
                                                             legislation_annotation.draft_version,
                                                             legislation_annotation)
 
-    within all(".comment").last do
+    within all(".comment").first do
       expect(page).to have_content "click me http://www.url.com"
       expect(page).to have_link("http://www.url.com", href: "http://www.url.com")
       expect(page).not_to have_link("click me")