diff --git a/packages/beff-cli/bin/index.js b/packages/beff-cli/bin/index.js
index a729c36e..0ec397e1 100755
--- a/packages/beff-cli/bin/index.js
+++ b/packages/beff-cli/bin/index.js
@@ -1,2 +1,3 @@
+#!/usr/bin/env node
 const { commanderExec } = require("../dist-cli/cli.js");
 commanderExec();
diff --git a/packages/beff-wasm/npm-bin/index.js b/packages/beff-wasm/npm-bin/index.js
index a729c36e..0ec397e1 100644
--- a/packages/beff-wasm/npm-bin/index.js
+++ b/packages/beff-wasm/npm-bin/index.js
@@ -1,2 +1,3 @@
+#!/usr/bin/env node
 const { commanderExec } = require("../dist-cli/cli.js");
 commanderExec();