diff --git a/sound/xen/Makefile b/sound/xen/Makefile
index 03c6699..f028bc3 100644
--- a/sound/xen/Makefile
+++ b/sound/xen/Makefile
@@ -2,6 +2,7 @@
 
 snd_xen_front-objs := xen_snd_front.o \
 		      xen_snd_front_cfg.o \
-		      xen_snd_front_evtchnl.o
+		      xen_snd_front_evtchnl.o \
+		      xen_snd_front_shbuf.o
 
 obj-$(CONFIG_SND_XEN_FRONTEND) += snd_xen_front.o