diff --git a/mk/initfs.mk b/mk/initfs.mk
index aee0d2e..6d762b1 100644
--- a/mk/initfs.mk
+++ b/mk/initfs.mk
@@ -1,3 +1,4 @@
 build/initfs.tag: initfs.toml
+	cd kernel && xargo clean
 	cargo run --manifest-path installer/Cargo.toml -- $(INSTALLER_FLAGS) $<
 	touch $@