diff --git a/lib/vm/qemu.rb b/lib/vm/qemu.rb
index 905e56a..9e1d9c7 100644
--- a/lib/vm/qemu.rb
+++ b/lib/vm/qemu.rb
@@ -68,7 +68,8 @@ module Qemu
       cdrom: nil,
       detach: true,
       ram: 2048,
-      cpus: 1
+      cpus: 1,
+      fullscreen: true
     }
     opts = defaults.merge(options)
     
@@ -82,7 +83,12 @@ module Qemu
       args += ["-drive", "if=pflash,format=raw,unit=0,readonly=on,file=/opt/homebrew/share/qemu/edk2-aarch64-code.fd"]
 
       #args += ["-device", "virtio-gpu-device"]
-      args += ["-display", "cocoa"]
+      if opts[:fullscreen] 
+        args += ["-display", "cocoa,full-screen=on"]
+      else
+        args += ["-display", "cocoa"]
+      end
+
       args += ["-device", "qemu-xhci,id=xhci"]
       args += ["-device", "usb-kbd"]
       args += ["-device", "usb-tablet"]