diff --git a/demo/Cat.rb b/demo/Cat.rb
index 2480ce6..7d699fe 100644
--- a/demo/Cat.rb
+++ b/demo/Cat.rb
@@ -1,4 +1,4 @@
-require_relative 'Animal.rb'
+require_relative 'animal'
 
 class Cat < Animal
 
diff --git a/demo/Dog.rb b/demo/Dog.rb
index 2b0bcd1..6b0f955 100644
--- a/demo/Dog.rb
+++ b/demo/Dog.rb
@@ -1,4 +1,4 @@
-require_relative 'Animal.rb'
+require_relative 'animal'
 
 class Dog < Animal
 
diff --git a/demo/RUNME.rb b/demo/RUNME.rb
index 53f6578..798c5a8 100644
--- a/demo/RUNME.rb
+++ b/demo/RUNME.rb
@@ -1,8 +1,6 @@
-require_relative '../lib/reflekt.rb'
-
-require_relative 'Cat.rb'
-require_relative 'Dog.rb'
-require_relative 'Place.rb'
+require_relative 'cat'
+require_relative 'dog'
+require_relative 'place'
 
 ##
 # Configure Reflekt.