diff --git a/sys/modules/mlx4/Makefile b/sys/modules/mlx4/Makefile
index d71f79bde0e..c2ade96d6fb 100644
--- a/sys/modules/mlx4/Makefile
+++ b/sys/modules/mlx4/Makefile
@@ -26,6 +26,7 @@ SRCS=	device_if.h bus_if.h vnode_if.h pci_if.h \
 	mlx4_resource_tracker.c
 
 CFLAGS+= -I${SRCTOP}/sys/ofed/include
+CFLAGS+= -I${SRCTOP}/sys/ofed/include/uapi
 CFLAGS+= -I${SRCTOP}/sys/compat/linuxkpi/common/include
 
 .include <bsd.kmod.mk>