diff --git a/sys/modules/igb/Makefile b/sys/modules/igb/Makefile
index 8a027b3c783a..d8da7e8a1bde 100644
--- a/sys/modules/igb/Makefile
+++ b/sys/modules/igb/Makefile
@@ -1,7 +1,7 @@
 #$FreeBSD$
 .PATH:  ${.CURDIR}/../../dev/e1000
 KMOD    = if_igb
-SRCS    = device_if.h bus_if.h pci_if.h
+SRCS    = device_if.h bus_if.h pci_if.h opt_inet.h
 SRCS    += if_igb.c $(SHARED_SRCS)
 SHARED_SRCS = e1000_api.c e1000_phy.c e1000_nvm.c e1000_mac.c e1000_manage.c
 SHARED_SRCS += e1000_80003es2lan.c e1000_82542.c e1000_82541.c e1000_82543.c