diff --git a/mk/fstools.mk b/mk/fstools.mk
index ab14f87..4fbaca9 100644
--- a/mk/fstools.mk
+++ b/mk/fstools.mk
@@ -7,6 +7,7 @@ else
 	$(HOST_CARGO) build --manifest-path cookbook/Cargo.toml --release
 	$(HOST_CARGO) build --manifest-path installer/Cargo.toml --release
 	$(HOST_CARGO) build --manifest-path redoxfs/Cargo.toml --release --bin redoxfs
+	mkdir -p build
 	touch $@
 endif
 
@@ -18,4 +19,4 @@ else
 	$(HOST_CARGO) clean --manifest-path installer/Cargo.toml
 	$(HOST_CARGO) clean --manifest-path redoxfs/Cargo.toml
 	rm -f $(FSTOOLS_TAG)
-endif
\ No newline at end of file
+endif