diff --git a/drivers/media/video/bt8xx/Makefile b/drivers/media/video/bt8xx/Makefile
index 94350f2..db641a3 100644
--- a/drivers/media/video/bt8xx/Makefile
+++ b/drivers/media/video/bt8xx/Makefile
@@ -9,4 +9,4 @@
 obj-$(CONFIG_VIDEO_BT848) += bttv.o
 
 EXTRA_CFLAGS += -I$(src)/..
-EXTRA_CFLAGS += -I$(srctree)/drivers/media/dvb/dvb-core
+EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core