diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 54510a03f7..04209eb38f 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -343,7 +343,8 @@ static void microvm_machine_reset(MachineState *machine)
     CPUState *cs;
     X86CPU *cpu;
 
-    if (machine->kernel_filename != NULL &&
+    if (!x86_machine_is_acpi_enabled(X86_MACHINE(machine)) &&
+        machine->kernel_filename != NULL &&
         mms->auto_kernel_cmdline && !mms->kernel_cmdline_fixed) {
         microvm_fix_kernel_cmdline(machine);
         mms->kernel_cmdline_fixed = true;