diff --git a/basic.sh b/basic.sh
index bf94b3d..9a1e97a 100755
--- a/basic.sh
+++ b/basic.sh
@@ -25,6 +25,15 @@ qemu-system-x86_64 \
     -device ich9-ahci,id=sata \
     -drive id=ESP,if=none,format=qcow2,file=ESP.qcow2 \
     -device ide-hd,bus=sata.2,drive=ESP \
+    argument="$1"
+case $argument in
+    -l|--legacy)
+    -drive id=ESP,if=none,format=qcow2,file=Clover.qcow2 \
+        ;;
+     -r|--regular)
+     -drive id=ESP,if=none,format=qcow2,file=ESP.qcow2 \
+     ;;
+esac
     -drive id=InstallMedia,format=raw,if=none,file=BaseSystem.img \
     -device ide-hd,bus=sata.3,drive=InstallMedia \
     -drive id=SystemDisk,if=none,file=macOS.qcow2 \