diff --git a/lib/runners/qemu.nix b/lib/runners/qemu.nix
index 22ba37a2..59131d2a 100644
--- a/lib/runners/qemu.nix
+++ b/lib/runners/qemu.nix
@@ -82,8 +82,7 @@ let
       "pit=off"
       "pic=off"
       "mem-merge=on"
-      # ACPI breaks boot with 2GB mem
-      "acpi=off"
+      "acpi=on"
       "pcie=${if requirePci then "on" else "off"}"
       "usb=${if requireUsb then "on" else "off"}"
     ];