diff --git a/user/troubleshooting/uefi-troubleshooting.md b/user/troubleshooting/uefi-troubleshooting.md
index 6e40c073..d20876a7 100644
--- a/user/troubleshooting/uefi-troubleshooting.md
+++ b/user/troubleshooting/uefi-troubleshooting.md
@@ -22,7 +22,7 @@ If you've installed successfully in legacy mode but had to change some kernel pa
 **Change xen configuration directly in an iso image**
 01. Get EFI partition boundaries (replacing `X` with your ISO's version name): `parted Qubes-RX-x86_64.iso unit B print`
 02. Set up a loop device (replacing `X` with your ISO's version name): `losetup -P /dev/loop0 Qubes-RX-x86_64.iso`
-03. Mount the loop device: `sudo mount /dev/loop0 /mnt`
+03. Mount the loop device: `sudo mount /dev/loop0p2 /mnt`
 04. Edit `EFI/BOOT/BOOTX64.cfg` to add your params to the `kernel` configuration key
 05. Save your changes, unmount and dd to usb device