diff --git a/app/controllers/wiki_controller.rb b/app/controllers/wiki_controller.rb
index abf106d5f..01859d4e0 100644
--- a/app/controllers/wiki_controller.rb
+++ b/app/controllers/wiki_controller.rb
@@ -156,7 +156,7 @@ class WikiController < ApplicationController
 
     @content = @page.content || WikiContent.new(:page => @page)
     content_params = params[:content]
-    if content_params.nil? && params[:wiki_page].is_a?(Hash)
+    if content_params.nil? && params[:wiki_page].present?
       content_params = params[:wiki_page].slice(:text, :comments, :version)
     end
     content_params ||= {}