diff --git a/programs/zstdless b/programs/zstdless
index ab021405cf813a2a8fa7f96b9fff725fc23d24fa..893799e7d95a06738e3805df931689a09d293a4b 100755
--- a/programs/zstdless
+++ b/programs/zstdless
@@ -1 +1,2 @@
-zstdcat $@ | less
+#!/bin/sh
+zstdcat "$@" | less