diff --git a/unix/simulator.py b/unix/simulator.py
index 108ec4a6..25a6dbde 100755
--- a/unix/simulator.py
+++ b/unix/simulator.py
@@ -301,6 +301,7 @@ def start():
   - N to capture NFC data (tap it)
 ''')
     sdl2.ext.init()
+    sdl2.SDL_EnableScreenSaver()
 
     factory = sdl2.ext.SpriteFactory(sdl2.ext.SOFTWARE)
     bg = factory.from_image("background.png")