diff --git a/app/controllers/wiki_pages_controller.rb b/app/controllers/wiki_pages_controller.rb
index 58f4c17a3..a3ca8ee28 100644
--- a/app/controllers/wiki_pages_controller.rb
+++ b/app/controllers/wiki_pages_controller.rb
@@ -70,7 +70,7 @@ class WikiPagesController < ApplicationController
     if @wiki_page
       redirect_to wiki_page_path(@wiki_page)
     else
-      @wiki_page = WikiPage.new(params[:wiki_page])
+      @wiki_page = WikiPage.new(:title => params[:title])
       respond_with(@wiki_page)
     end
   end
diff --git a/app/logical/post_sets/wiki_page.rb b/app/logical/post_sets/wiki_page.rb
index 2c83d5c2c..22625fa43 100644
--- a/app/logical/post_sets/wiki_page.rb
+++ b/app/logical/post_sets/wiki_page.rb
@@ -2,7 +2,7 @@ module PostSets
   class SearchError < Exception
   end
 
-  class WikiPage < Post
+  class WikiPage < PostSets::Post
     def presenter
       @presenter ||= ::PostSetPresenters::WikiPage.new(self)
     end
diff --git a/app/presenters/post_set_presenters/wiki_page.rb b/app/presenters/post_set_presenters/wiki_page.rb
index 7d057b7c8..1299b2d6e 100644
--- a/app/presenters/post_set_presenters/wiki_page.rb
+++ b/app/presenters/post_set_presenters/wiki_page.rb
@@ -1,5 +1,5 @@
 module PostSetPresenters
-  class WikiPage < Post
+  class WikiPage < PostSetPresenters::Post
     def posts
       @post_set.posts
     rescue ActiveRecord::StatementInvalid, PGError