diff --git a/lib/libcam/Makefile b/lib/libcam/Makefile
index a4cae7aa8a6c..37b3c4fcc708 100644
--- a/lib/libcam/Makefile
+++ b/lib/libcam/Makefile
@@ -36,11 +36,10 @@ MLINKS+=	cam.3 cam_open_device.3 \
 		cam_cdbparse.3 csio_encode_visit.3 \
 		cam_cdbparse.3 buff_encode_visit.3
 
-.PATH:		${.CURDIR}/../../sys/cam/scsi ${.CURDIR}/../../sys/cam/ata \
-		${.CURDIR}/../../sys/cam
+.PATH:		${SRCTOP}/sys/cam/scsi ${SRCTOP}/sys/cam/ata \
+		${SRCTOP}/sys/cam
 
-SDIR=		${.CURDIR}/../../sys
-CFLAGS+=	-I${.CURDIR} -I${SDIR}
+CFLAGS+=	-I${.CURDIR} -I${SRCTOP}/sys
 
 SHLIB_MAJOR=	7