diff --git a/sys/conf/files.i386 b/sys/conf/files.i386
index 66ea5aecbec5..8e020e40b56b 100644
--- a/sys/conf/files.i386
+++ b/sys/conf/files.i386
@@ -123,6 +123,9 @@ dev/ar/if_ar.c			optional	ar
 dev/ar/if_ar_pci.c		optional	ar pci
 dev/ar/if_ar_isa.c		optional	ar isa
 dev/cm/if_cm_isa.c		optional	cm isa
+dev/ctau/ctau.c			optional	ctau
+dev/ctau/ctddk.c		optional	ctau
+dev/ctau/if_ct.c		optional	ctau
 dev/cx/csigma.c			optional	cx
 dev/cx/cxddk.c			optional	cx
 dev/cx/if_cx.c			optional	cx