diff --git a/sys/conf/files.pc98 b/sys/conf/files.pc98
index e0ced1937f9f..7337c2f3aa12 100644
--- a/sys/conf/files.pc98
+++ b/sys/conf/files.pc98
@@ -234,6 +234,7 @@ i386/linux/linux_sysent.c	optional	compat_linux
 i386/linux/linux_sysvec.c	optional	compat_linux
 i386/pci/pci_cfgreg.c		optional	pci
 i386/pci/pci_bus.c		optional	pci
+i386/pci/pci_pir.c		optional	pci
 i386/svr4/svr4_locore.s		optional	compat_svr4		\
 	dependency	"svr4_assym.h"	\
 	warning "COMPAT_SVR4 is broken and should be avoided"