diff --git a/tiny/dus b/tiny/dus
index e2c740d..4580a3d 100755
--- a/tiny/dus
+++ b/tiny/dus
@@ -1,2 +1,2 @@
 #!/bin/sh
-du -k -x $@ | sort -n | tail -100
+du -k -x "$@" | sort -n | tail -100