diff --git a/hw/acpi/Kconfig b/hw/acpi/Kconfig
index b7006e18c8..1f7803fdab 100644
--- a/hw/acpi/Kconfig
+++ b/hw/acpi/Kconfig
@@ -31,7 +31,9 @@ config ACPI_NVDIMM
 
 config ACPI_PIIX4
     bool
-    depends on ACPI
+    select ACPI
+    select ACPI_SMBUS
+    select APM
 
 config ACPI_PCIHP
     bool