diff --git a/reactos/boot/bootdata/unattend.inf.sample b/reactos/boot/bootdata/unattend.inf.sample
index 25dfb0071be..3c5aca45809 100644
--- a/reactos/boot/bootdata/unattend.inf.sample
+++ b/reactos/boot/bootdata/unattend.inf.sample
@@ -3,4 +3,8 @@
 Signature = "$ReactOS$"
 DestinationDiskNumber = 0
 DestinationPartitionNumber = 1
-InstallationDirectory=ReactOS
\ No newline at end of file
+InstallationDirectory=ReactOS
+;MBRInstallType=0  skips MBR installation
+;MBRInstallType=1  install MBR on floppy  
+;MBRInstallType=2  install MBR on hdd
+MBRInstallType=2