diff --git a/sys/conf/files b/sys/conf/files
index 67b2ec8de0d8..9aa26331734b 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -393,6 +393,7 @@ dev/cy/cy_isa.c		optional cy isa
 dev/cy/cy_pci.c		optional cy pci
 dev/dcons/dcons.c	optional dcons
 dev/dcons/dcons_crom.c	optional dcons_crom
+dev/dcons/dcons_os.c	optional dcons
 dev/digi/digi.c		optional digi
 dev/digi/digi_isa.c	optional digi isa
 dev/digi/digi_pci.c	optional digi pci
diff --git a/sys/modules/dcons/Makefile b/sys/modules/dcons/Makefile
index 7869ee8594ed..555dd688709f 100644
--- a/sys/modules/dcons/Makefile
+++ b/sys/modules/dcons/Makefile
@@ -4,7 +4,7 @@
 .PATH:	${.CURDIR}/../../dev/dcons
 
 KMOD	= dcons
-SRCS	= dcons.c dcons.h \
+SRCS	= dcons.c dcons.h dcons_os.c dcons_os.h \
 		opt_dcons.h opt_ddb.h opt_comconsole.h
 
 opt_ddb.h:
diff --git a/sys/modules/dcons_crom/Makefile b/sys/modules/dcons_crom/Makefile
index 74c168e0fb66..258beaddf14b 100644
--- a/sys/modules/dcons_crom/Makefile
+++ b/sys/modules/dcons_crom/Makefile
@@ -4,7 +4,7 @@
 .PATH:	${.CURDIR}/../../dev/dcons
 
 KMOD	= dcons_crom
-SRCS	= dcons_crom.c dcons.h \
+SRCS	= dcons_crom.c dcons.h dcons_os.h \
 		bus_if.h device_if.h
 
 #KMODDEPS = firewire dcons