diff --git a/sample/sinatra/app.rb b/sample/sinatra/app.rb
index 2736c009..380cba07 100644
--- a/sample/sinatra/app.rb
+++ b/sample/sinatra/app.rb
@@ -1,4 +1,5 @@
 require 'sinatra'
+require 'hamlit'
 
 User = Struct.new(:id, :name)
 
diff --git a/sample/sinatra/views/layout.haml b/sample/sinatra/views/layout.haml
index fb8e7988..3f8edb74 100644
--- a/sample/sinatra/views/layout.haml
+++ b/sample/sinatra/views/layout.haml
@@ -3,4 +3,4 @@
   %head
     %title layout.haml
   %body
-    = yield
+    != yield