diff --git a/book/cli/help.rs b/book/cli/help.rs
index a989cd08c799..5220194e3cbf 100755
--- a/book/cli/help.rs
+++ b/book/cli/help.rs
@@ -1,4 +1,4 @@
-#!/usr/bin/env cargo +nightly -Zscript
+#!/usr/bin/env -S cargo +nightly -Zscript
 ---
 [dependencies]
 clap = {version="4", features = ["derive"]}