diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 7b124f6..7b1dc5e 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -326,7 +326,7 @@ static void acpi_dsdt_add_gpio(Aml *scope, const MemMapEntry *gpio_memmap,
     Aml *aei = aml_resource_template();
     /* Pin 3 for power button */
     const uint32_t pin_list[1] = {3};
-    aml_append(aei, aml_gpio_int(AML_CONSUMER, AML_EDGE, AML_ACTIVE_HIGH,
+    aml_append(aei, aml_gpio_int(AML_CONSUMER, AML_EDGE, 3,
                                  AML_EXCLUSIVE, AML_PULL_UP, 0, pin_list, 1,
                                  "GPO0", NULL, 0));
     aml_append(dev, aml_name_decl("_AEI", aei));
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 5695e72..ed02a6c 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -547,10 +547,12 @@ static void create_rtc(const VirtBoardInfo *vbi, qemu_irq *pic)
 }
 
 static DeviceState *pl061_dev;
+static int old_gpio_level = 0;
 static void virt_powerdown_req(Notifier *n, void *opaque)
 {
     /* use gpio Pin 3 for power button event */
-    qemu_set_irq(qdev_get_gpio_in(pl061_dev, 3), 1);
+    qemu_set_irq(qdev_get_gpio_in(pl061_dev, 3), !old_gpio_level);
+    old_gpio_level = !old_gpio_level;
 }
 
 static Notifier virt_system_powerdown_notifier = {