diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index f5148bcd53eff4db75e14f6a03c882917db0af9d..72c3f67dacb566dcea0645ee1e27dbe4a0f5916f 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1236,12 +1236,33 @@ static Aml *build_kbd_device_aml(void)
     return dev;
 }
 
+static Aml *build_mouse_device_aml(void)
+{
+    Aml *dev;
+    Aml *crs;
+    Aml *method;
+
+    dev = aml_device("MOU");
+    aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0F13")));
+
+    method = aml_method("_STA", 0, AML_NOTSERIALIZED);
+    aml_append(method, aml_return(aml_int(0x0f)));
+    aml_append(dev, method);
+
+    crs = aml_resource_template();
+    aml_append(crs, aml_irq_no_flags(12));
+    aml_append(dev, aml_name_decl("_CRS", crs));
+
+    return dev;
+}
+
 static void build_isa_devices_aml(Aml *table)
 {
     Aml *scope = aml_scope("_SB.PCI0.ISA");
 
     aml_append(scope, build_rtc_device_aml());
     aml_append(scope, build_kbd_device_aml());
+    aml_append(scope, build_mouse_device_aml());
 
     aml_append(table, scope);
 }
diff --git a/hw/i386/acpi-dsdt-isa.dsl b/hw/i386/acpi-dsdt-isa.dsl
index f7a3c0abcfa874572a64fd149416a42fd62beb6e..8936271e5a09c7ddbd82f7036216a43ff1bc800a 100644
--- a/hw/i386/acpi-dsdt-isa.dsl
+++ b/hw/i386/acpi-dsdt-isa.dsl
@@ -16,16 +16,6 @@
 /* Common legacy ISA style devices. */
 Scope(\_SB.PCI0.ISA) {
 
-    Device(MOU) {
-        Name(_HID, EisaId("PNP0F13"))
-        Method(_STA, 0, NotSerialized) {
-            Return (0x0f)
-        }
-        Name(_CRS, ResourceTemplate() {
-            IRQNoFlags() { 12 }
-        })
-    }
-
     Device(FDC0) {
         Name(_HID, EisaId("PNP0700"))
         Method(_STA, 0, NotSerialized) {