diff --git a/pyglet_demo.py b/pyglet_demo.py
index 496abc1..554017a 100644
--- a/pyglet_demo.py
+++ b/pyglet_demo.py
@@ -11,7 +11,7 @@ window = engine.screen.window
 
 label = pyglet.text.Label('Hello, world',
                           font_name='Times New Roman',
-                          font_size=36,
+                          font_size=window.height//8,
                           x=window.width//2, y=window.height//2,
                           anchor_x='center', anchor_y='center')