diff --git a/main.rb b/main.rb
index ea15484..f24f760 100644
--- a/main.rb
+++ b/main.rb
@@ -9,8 +9,8 @@ require './producer.rb'
 require './consumer.rb'
 
 # Viewport resolution
-WIDTH = 1920
-HEIGHT = 1080
+WIDTH = Gosu::screen_width
+HEIGHT = Gosu::screen_height
 BOX_SIZE = 64
 
 # Default game settings