diff --git a/sys/modules/dummynet/Makefile b/sys/modules/dummynet/Makefile
index a8813e277d12..dd96e0eb62b8 100644
--- a/sys/modules/dummynet/Makefile
+++ b/sys/modules/dummynet/Makefile
@@ -7,6 +7,7 @@ KMOD=   dummynet
 SRCS=   ip_dummynet.c
 SRCS+= ip_dn_glue.c ip_dn_io.c
 SRCS+= dn_heap.c dn_sched_fifo.c dn_sched_qfq.c dn_sched_rr.c dn_sched_wf2q.c 
+SRCS+= dn_sched_prio.c
 SRCS+=	opt_inet6.h
 
 .if !defined(KERNBUILDDIR)