diff --git a/app/controllers/wiki_pages_controller.rb b/app/controllers/wiki_pages_controller.rb
index 63775b070..a98bf9962 100644
--- a/app/controllers/wiki_pages_controller.rb
+++ b/app/controllers/wiki_pages_controller.rb
@@ -16,7 +16,7 @@ class WikiPagesController < ApplicationController
   end
   
   def index
-    @wiki_pages = WikiPage.search(params[:search]).order("id desc").paginate(params[:page], :search_count => params[:search])
+    @wiki_pages = WikiPage.search(params[:search]).order("updated_at desc").paginate(params[:page], :search_count => params[:search])
     respond_with(@wiki_pages) do |format|
       format.html do
         if @wiki_pages.count == 1
diff --git a/db/migrate/20130318012517_add_updated_at_index_to_wiki_pages.rb b/db/migrate/20130318012517_add_updated_at_index_to_wiki_pages.rb
new file mode 100644
index 000000000..1ca3a98b8
--- /dev/null
+++ b/db/migrate/20130318012517_add_updated_at_index_to_wiki_pages.rb
@@ -0,0 +1,5 @@
+class AddUpdatedAtIndexToWikiPages < ActiveRecord::Migration
+  def change
+    add_index :wiki_pages, :updated_at
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index bdf91e29f..3ec292fda 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -6045,6 +6045,13 @@ CREATE UNIQUE INDEX index_wiki_pages_on_title ON wiki_pages USING btree (title);
 CREATE INDEX index_wiki_pages_on_title_pattern ON wiki_pages USING btree (title text_pattern_ops);
 
 
+--
+-- Name: index_wiki_pages_on_updated_at; Type: INDEX; Schema: public; Owner: -; Tablespace: 
+--
+
+CREATE INDEX index_wiki_pages_on_updated_at ON wiki_pages USING btree (updated_at);
+
+
 --
 -- Name: unique_schema_migrations; Type: INDEX; Schema: public; Owner: -; Tablespace: 
 --
@@ -6244,4 +6251,6 @@ INSERT INTO schema_migrations (version) VALUES ('20130307225324');
 
 INSERT INTO schema_migrations (version) VALUES ('20130308204213');
 
-INSERT INTO schema_migrations (version) VALUES ('20130318002652');
\ No newline at end of file
+INSERT INTO schema_migrations (version) VALUES ('20130318002652');
+
+INSERT INTO schema_migrations (version) VALUES ('20130318012517');
\ No newline at end of file