diff --git a/sys/conf/files.i386 b/sys/conf/files.i386
index 824461218358..8d36c349c5a2 100644
--- a/sys/conf/files.i386
+++ b/sys/conf/files.i386
@@ -148,7 +148,8 @@ dev/atkbdc/atkbdc_subr.c	optional atkbdc
 dev/atkbdc/psm.c		optional psm atkbdc
 dev/ce/ceddk.c			optional ce
 dev/ce/if_ce.c			optional ce
-dev/ce/tau32-ddk.c		optional ce
+dev/ce/tau32-ddk.c		optional ce \
+	compile-with "${NORMAL_C} ${NO_WCONSTANT_CONVERSION}"
 dev/cm/if_cm_isa.c		optional cm isa
 dev/coretemp/coretemp.c		optional coretemp
 dev/cp/cpddk.c			optional cp
diff --git a/sys/modules/ce/Makefile b/sys/modules/ce/Makefile
index a7bccff94bce..2d54680c3ab0 100644
--- a/sys/modules/ce/Makefile
+++ b/sys/modules/ce/Makefile
@@ -26,3 +26,6 @@ opt_ng_cronyx.h:
 .endif
 
 .include <bsd.kmod.mk>
+
+CWARNFLAGS.tau32-ddk.c=	${NO_WCONSTANT_CONVERSION}
+CWARNFLAGS+=		${CWARNFLAGS.${.IMPSRC:T}}