diff --git a/README.md b/README.md
index b4ead6f..21df204 100644
--- a/README.md
+++ b/README.md
@@ -28,12 +28,8 @@ Create an empty hard disk using `qemu-img`, changing the name and size to prefer
 ```
 qemu-img create -f qcow2 MyDisk.qcow2 64G
 ```
+> Note: If you use a name other than MyDisk.qcow2, you will need to update `basic.sh` (e.g. `sed -i 's/MyDisk.qcow2/Master.qcow2/' basic.sh`)
 
-and add it to the end of `basic.sh`:
-```
-    -drive id=SystemDisk,if=none,file=MyDisk.qcow2 \
-    -device ide-hd,bus=sata.4,drive=SystemDisk \
-```
 > Note: If you're running on a headless system (such as on Cloud providers), you will need `-nographic` and `-vnc :0 -k en-us` for VNC support.
 
 Then run `basic.sh` to start the machine and install macOS. Remember to partition in Disk Utility first!
diff --git a/basic.sh b/basic.sh
index add14b5..073fec3 100755
--- a/basic.sh
+++ b/basic.sh
@@ -26,3 +26,5 @@ qemu-system-x86_64 \
     -device ide-hd,bus=sata.2,drive=ESP \
     -drive id=InstallMedia,format=raw,if=none,file=BaseSystem.img \
     -device ide-hd,bus=sata.3,drive=InstallMedia \
+    -drive id=SystemDisk,if=none,file=MyDisk.qcow2 \
+    -device ide-hd,bus=sata.4,drive=SystemDisk \