diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile
index 5af2426116d3a9246af992809fa70a0dce1b0858..a4e2df66bdbb74c2fbecdc1084b63240f63bcbe1 100644
--- a/fs/btrfs/Makefile
+++ b/fs/btrfs/Makefile
@@ -18,5 +18,5 @@ KERNELDIR := /lib/modules/`uname -r`/build
 all::
 	$(MAKE) -C $(KERNELDIR) M=`pwd` modules
 clean::
-	rm *.o btrfs.ko
+	$(MAKE) -C $(KERNELDIR) M=`pwd` clean
 endif