diff --git a/common/cmdline.c b/common/cmdline.c
index 385b9332..da116918 100644
--- a/common/cmdline.c
+++ b/common/cmdline.c
@@ -49,6 +49,9 @@ bool_cmd("fpu", opt_fpu);
 bool opt_qemu_console = false;
 bool_cmd("qemu_console", opt_qemu_console);
 
+bool opt_poweroff = true;
+bool_cmd("poweroff", opt_poweroff);
+
 const char *kernel_cmdline;
 
 void __text_init cmdline_parse(const char *cmdline) {
diff --git a/common/kernel.c b/common/kernel.c
index b47d42cd..4f4b0459 100644
--- a/common/kernel.c
+++ b/common/kernel.c
@@ -69,7 +69,8 @@ void kernel_main(void) {
 #endif
 
 #ifdef KTF_ACPICA
-    acpi_power_off();
+    if (opt_poweroff)
+        acpi_power_off();
 #endif
     echo_loop();
 }
diff --git a/grub/boot/grub/grub.cfg b/grub/boot/grub/grub.cfg
index 8c8f0676..b3438746 100644
--- a/grub/boot/grub/grub.cfg
+++ b/grub/boot/grub/grub.cfg
@@ -5,6 +5,6 @@ terminal_input --append serial
 terminal_output --append serial
 
 menuentry "kernel64" {
-   multiboot /boot/kernel64.bin param1 param2 param3
+   multiboot /boot/kernel64.bin poweroff=1
    boot
 }
diff --git a/include/cmdline.h b/include/cmdline.h
index 523dcaa3..85e6a354 100644
--- a/include/cmdline.h
+++ b/include/cmdline.h
@@ -64,6 +64,7 @@ extern bool opt_apic_timer;
 extern bool opt_hpet;
 extern bool opt_fpu;
 extern bool opt_qemu_console;
+extern bool opt_poweroff;
 extern const char *kernel_cmdline;
 
 extern void cmdline_parse(const char *cmdline);