diff --git a/sys/modules/ibcore/Makefile b/sys/modules/ibcore/Makefile
index 427902c1d332..07a8bb14c838 100644
--- a/sys/modules/ibcore/Makefile
+++ b/sys/modules/ibcore/Makefile
@@ -11,7 +11,7 @@ SRCS+= agent.h core_priv.h mad.c notice.c smi.h umem.c uverbs_marshall.c
 SRCS+= cache.c device.c mad_priv.h packer.c sysfs.c user_mad.c verbs.c
 SRCS+= cm.c fmr_pool.c mad_rmpp.c sa.h ucm.c uverbs.h cma.c
 SRCS+= linux_compat.c linux_radix.c linux_idr.c
-SRCS+= vnode_if.h device_if.h bus_if.h pci_if.h opt_inet.h
+SRCS+= vnode_if.h device_if.h bus_if.h pci_if.h opt_inet.h opt_inet6.h
 
 CFLAGS+= -I${.CURDIR}/../../ofed/drivers/infiniband/core
 CFLAGS+= -I${.CURDIR}/../mlx4ib