diff --git a/rootf-kernel/Makefile b/rootf-kernel/Makefile
index 2ea2edd..9e796ad 100644
--- a/rootf-kernel/Makefile
+++ b/rootf-kernel/Makefile
@@ -5,13 +5,13 @@
 ARCH=x86_64
 
 use-arch: ../out/arch-rootfs.ext4
-	ln -s $< ../out/rootfs.ext4
+	ln -fs $< ../out/rootfs.ext4
 
 use-alpine: ../out/alpine-rootfs.ext4
-	ln -s $< ../out/rootfs.ext4
+	ln -fs $< ../out/rootfs.ext4
 
 use-ubuntu: ../out/ubuntu-22.04.ext4 ../out/ubuntu-22.04.id_rsa
-	ln -s $< ../out/rootfs.ext4
+	ln -fs $< ../out/rootfs.ext4
 
 kernel: ../out/vmlinux-5.10.204
 	@echo "linux kernel retrieve"