diff --git a/Kernel/grub-ebr.cfg b/Kernel/grub-ebr.cfg
index 4d86dc1f6c..99300a0be4 100644
--- a/Kernel/grub-ebr.cfg
+++ b/Kernel/grub-ebr.cfg
@@ -7,7 +7,7 @@ menuentry 'SerenityOS (normal)' {
 
 menuentry 'SerenityOS (No ACPI)' {
   root=hd0,5
-  multiboot /boot/kernel root=/dev/hda5 noacpi
+  multiboot /boot/kernel root=/dev/hda5 acpi=off
 }
 
 menuentry 'SerenityOS (with serial debug)' {
diff --git a/Kernel/grub-gpt.cfg b/Kernel/grub-gpt.cfg
index e2703f33fd..a2c13c1be5 100644
--- a/Kernel/grub-gpt.cfg
+++ b/Kernel/grub-gpt.cfg
@@ -7,7 +7,7 @@ menuentry 'SerenityOS (normal)' {
 
 menuentry 'SerenityOS (No ACPI)' {
   root=hd0,2
-  multiboot /boot/kernel root=/dev/hda2 noacpi
+  multiboot /boot/kernel root=/dev/hda2 acpi=off
 }
 
 menuentry 'SerenityOS (with serial debug)' {
diff --git a/Kernel/grub-mbr.cfg b/Kernel/grub-mbr.cfg
index cbdf51158a..8e98c5cd70 100644
--- a/Kernel/grub-mbr.cfg
+++ b/Kernel/grub-mbr.cfg
@@ -7,7 +7,7 @@ menuentry 'SerenityOS (normal)' {
 
 menuentry 'SerenityOS (No ACPI)' {
   root=hd0,1
-  multiboot /boot/kernel root=/dev/hda1 noacpi
+  multiboot /boot/kernel root=/dev/hda1 acpi=off
 }
 
 menuentry 'SerenityOS (with serial debug)' {