diff --git a/sys/rump/dev/Makefile.rumpdevcomp b/sys/rump/dev/Makefile.rumpdevcomp
index c98e4d902e19..02e234739fba 100644
--- a/sys/rump/dev/Makefile.rumpdevcomp
+++ b/sys/rump/dev/Makefile.rumpdevcomp
@@ -1,11 +1,13 @@
-#	$NetBSD: Makefile.rumpdevcomp,v 1.2 2010/12/05 20:39:10 pooka Exp $
+#	$NetBSD: Makefile.rumpdevcomp,v 1.3 2010/12/05 22:01:23 pooka Exp $
 #
 
-RUMPDEVLIST=	audio bpf cgd disk dm fss md netsmb pad putter raidframe \
+RUMPDEVLIST=	audio bpf cgd disk fss md netsmb pad putter raidframe \
 		rnd scsipi scsitest sysmon wscons
 
 RUMPUSBDEVS=	ubt ucom ugenhc ulpt umass usb
 
+RUMP64ATOMICDEVS= dm
+
 .for var in ${RUMPDEVLIST}
 RUMPDEVLIBS+=lib${var}
 RUMPDEVLDADD+=-lrumpdev_${var}
@@ -14,3 +16,7 @@ RUMPDEVLDADD+=-lrumpdev_${var}
 .for var in ${RUMPUSBDEVS}
 RUMPDEVLIBS+=lib${var}
 .endfor
+
+.for var in ${RUMP64ATOMICDEVS}
+RUMPDEVLIBS+=lib${var}
+.endfor