diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index f929bb8278b15a406d3432d7ae24418cd178eddf..eaabe0059d91aaf82cebaf5d9df47552318c1e19 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1701,6 +1701,14 @@ build_ssdt(GArray *table_data, GArray *linker,
 
     build_dbg_aml(ssdt);
     if (misc->is_piix4) {
+        sb_scope = aml_scope("_SB");
+        dev = aml_device("PCI0");
+        aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03")));
+        aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
+        aml_append(dev, aml_name_decl("_UID", aml_int(1)));
+        aml_append(sb_scope, dev);
+        aml_append(ssdt, sb_scope);
+
         build_hpet_aml(ssdt);
         build_piix4_pm(ssdt);
         build_piix4_isa_bridge(ssdt);
diff --git a/hw/i386/acpi-dsdt.dsl b/hw/i386/acpi-dsdt.dsl
index a7769fcc5531260f18706a10fe4b681dec70c244..82e4470de3c031670e061c8ab1ad0ad78582d2b1 100644
--- a/hw/i386/acpi-dsdt.dsl
+++ b/hw/i386/acpi-dsdt.dsl
@@ -28,14 +28,6 @@ DefinitionBlock (
     0x1                 // OEM Revision
     )
 {
-
     Scope(\_SB) {
-        Device(PCI0) {
-            Name(_HID, EisaId("PNP0A03"))
-            Name(_ADR, 0x00)
-            Name(_UID, 1)
-//#define PX13 S0B_
-//            External(PX13, DeviceObj)
-        }
     }
 }