diff --git a/Meta/grub-ebr.cfg b/Meta/grub-ebr.cfg
index ce3f0e6de47..21d542d8bd8 100644
--- a/Meta/grub-ebr.cfg
+++ b/Meta/grub-ebr.cfg
@@ -2,25 +2,25 @@ timeout=1
 
 menuentry 'SerenityOS (normal)' {
   root=hd0,5
-  multiboot /boot/Prekernel root=/dev/hda4
+  multiboot /boot/Prekernel root="lun0:0:0;part3"
   module /boot/Kernel
 }
 
 menuentry 'SerenityOS (text mode)' {
   root=hd0,5
-  multiboot /boot/Prekernel graphics_subsystem_mode=off root=/dev/hda4
+  multiboot /boot/Prekernel graphics_subsystem_mode=off root="lun0:0:0;part3"
   module /boot/Kernel
 }
 
 menuentry 'SerenityOS (No ACPI)' {
   root=hd0,5
-  multiboot /boot/Prekernel root=/dev/hda4 acpi=off
+  multiboot /boot/Prekernel root="lun0:0:0;part3" acpi=off
   module /boot/Kernel
 }
 
 menuentry 'SerenityOS (with serial debug)' {
   root=hd0,5
-  multiboot /boot/Prekernel serial_debug root=/dev/hda4
+  multiboot /boot/Prekernel serial_debug root="lun0:0:0;part3"
   module /boot/Kernel
 }
 
diff --git a/Meta/grub-gpt.cfg b/Meta/grub-gpt.cfg
index 84542255573..404e44152d8 100644
--- a/Meta/grub-gpt.cfg
+++ b/Meta/grub-gpt.cfg
@@ -2,24 +2,24 @@ timeout=1
 
 menuentry 'SerenityOS (normal)' {
   root=hd0,2
-  multiboot /boot/Prekernel root=/dev/hda2
+  multiboot /boot/Prekernel root="lun0:0:0;part1"
   module /boot/Kernel
 }
 
 menuentry 'SerenityOS (text mode)' {
   root=hd0,2
-  multiboot /boot/Prekernel graphics_subsystem_mode=off root=/dev/hda2
+  multiboot /boot/Prekernel graphics_subsystem_mode=off root="lun0:0:0;part1"
   module /boot/Kernel
 }
 
 menuentry 'SerenityOS (No ACPI)' {
   root=hd0,2
-  multiboot /boot/Prekernel root=/dev/hda2 acpi=off
+  multiboot /boot/Prekernel root="lun0:0:0;part1" acpi=off
   module /boot/Kernel
 }
 
 menuentry 'SerenityOS (with serial debug)' {
   root=hd0,2
-  multiboot /boot/Prekernel serial_debug root=/dev/hda2
+  multiboot /boot/Prekernel serial_debug root="lun0:0:0;part1"
   module /boot/Kernel
 }
diff --git a/Meta/grub-mbr.cfg b/Meta/grub-mbr.cfg
index 3d221e24b4c..1ae1daea683 100644
--- a/Meta/grub-mbr.cfg
+++ b/Meta/grub-mbr.cfg
@@ -2,24 +2,24 @@ timeout=1
 
 menuentry 'SerenityOS (normal)' {
   root=hd0,1
-  multiboot /boot/Prekernel root=/dev/hda1
+  multiboot /boot/Prekernel root="lun0:0:0;part0"
   module /boot/Kernel
 }
 
 menuentry 'SerenityOS (text mode)' {
   root=hd0,1
-  multiboot /boot/Prekernel graphics_subsystem_mode=off root=/dev/hda1
+  multiboot /boot/Prekernel graphics_subsystem_mode=off root="lun0:0:0;part0"
   module /boot/Kernel
 }
 
 menuentry 'SerenityOS (No ACPI)' {
   root=hd0,1
-  multiboot /boot/Prekernel root=/dev/hda1 acpi=off
+  multiboot /boot/Prekernel root="lun0:0:0;part0" acpi=off
   module /boot/Kernel
 }
 
 menuentry 'SerenityOS (with serial debug)' {
   root=hd0,1
-  multiboot /boot/Prekernel serial_debug root=/dev/hda1
+  multiboot /boot/Prekernel serial_debug root="lun0:0:0;part0"
   module /boot/Kernel
 }