diff --git a/Makefile b/Makefile
index 019d2bb..5c2f34c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,16 +1,15 @@
-.PHONY: .FORCE
-
 all: files/initrd.img files/vmlinuz files/root.squashfs
 
-files/initrd.img: linux/build/rootfs/initrd.img | files
+files/initrd.img: linux | files
 	cp linux/build/rootfs/initrd.img files/initrd.img
 
-files/vmlinuz: linux/build/rootfs/vmlinuz | files
+files/vmlinuz: linux | files
 	cp linux/build/rootfs/vmlinuz files/vmlinuz
 
-files/root.squashfs: .FORCE | files
+files/root.squashfs: linux | files
 	rm files/root.squashfs || true
 	mksquashfs linux/build/rootfs files/root.squashfs
 
-files:
-	mkdir -p files
+.PHONY: linux
+linux:
+	cd linux; make