diff --git a/app/controllers/talk_controller.rb b/app/controllers/talk_controller.rb
index bcbc331b5f..8ecdbbbbb2 100644
--- a/app/controllers/talk_controller.rb
+++ b/app/controllers/talk_controller.rb
@@ -1,6 +1,6 @@
 class TalkController < ApplicationController
   def show
     @node = Node.find_by_path params[:id]
-    @node = Node.find_by_path 'wiki/' + params[:id] if @node.nil?
+    @node = Node.find_by_path "wiki/#{params[:id]}" if @node.nil?
   end
 end