diff --git a/sys/i386/conf/GENERIC b/sys/i386/conf/GENERIC
index c70d1a02d0f..b993e0389f2 100644
--- a/sys/i386/conf/GENERIC
+++ b/sys/i386/conf/GENERIC
@@ -83,6 +83,7 @@ device		apic			# I/O APIC
 device		cpufreq
 
 # Bus support.
+device		acpi
 device		eisa
 device		pci