diff --git a/display.py b/display.py
index a54a5f3..92ff8ff 100644
--- a/display.py
+++ b/display.py
@@ -32,6 +32,9 @@ _parser = argparse.ArgumentParser(description='JARVIS display', add_help=True)
 _parser.add_argument(
     '--framebuffer', '-fb', action='store_true',
     help='Render to Linux framebuffer instead of an X11/Wayland window')
+_parser.add_argument(
+    '--fullscreen', '-fs', action='store_true',
+    help='Run fullscreen under X11/Wayland')
 _parser.add_argument('--width',  type=int, default=1280,
                      help='Screen / framebuffer width  (default 1280)')
 _parser.add_argument('--height', type=int, default=800,
@@ -207,7 +210,7 @@ def main() -> None:
 
     W, H = _args.width, _args.height
 
-    if USE_FB:
+    if USE_FB or _args.fullscreen:
         screen = pygame.display.set_mode((W, H), pygame.FULLSCREEN | pygame.NOFRAME)
     else:
         screen = pygame.display.set_mode((W, H))