diff --git a/sys/conf/options.powerpc b/sys/conf/options.powerpc
index 7e5c48b908f2..4a9499e7dc3d 100644
--- a/sys/conf/options.powerpc
+++ b/sys/conf/options.powerpc
@@ -1,10 +1,11 @@
 # $FreeBSD$
 # Options specific to the powerpc platform kernels
 
 MPC750			opt_global.h
 IPKDB			opt_ipkdb.h
 
 SHOW_BUSYBUFS
 PANIC_REBOOT_WAIT_TIME	opt_panic.h
 
 POWERMAC		opt_platform.h
+PSIM			opt_psim.h