diff --git a/a3p-integration/proposals/z:acceptance/scripts/test-vaults.ts b/a3p-integration/proposals/z:acceptance/scripts/test-vaults.ts
index 7a5c2fa1aec..48a216fe8e8 100755
--- a/a3p-integration/proposals/z:acceptance/scripts/test-vaults.ts
+++ b/a3p-integration/proposals/z:acceptance/scripts/test-vaults.ts
@@ -1,4 +1,4 @@
-#!/usr/bin/env node --import ts-blank-space/register
+#!/usr/bin/env -S node --import ts-blank-space/register
 /* eslint-disable @jessie.js/safe-await-separator */
 
 import {
diff --git a/multichain-testing/scripts/deploy-cli.ts b/multichain-testing/scripts/deploy-cli.ts
index 47cb70e1153..2dfd7b94d06 100755
--- a/multichain-testing/scripts/deploy-cli.ts
+++ b/multichain-testing/scripts/deploy-cli.ts
@@ -1,4 +1,4 @@
-#!/usr/bin/env node --import ts-blank-space/register
+#!/usr/bin/env -S node --import ts-blank-space/register
 import '@endo/init/debug.js';
 
 import { execa } from 'execa';
diff --git a/multichain-testing/scripts/fetch-starship-chain-info.ts b/multichain-testing/scripts/fetch-starship-chain-info.ts
index fa4ec834687..b51da77c566 100755
--- a/multichain-testing/scripts/fetch-starship-chain-info.ts
+++ b/multichain-testing/scripts/fetch-starship-chain-info.ts
@@ -1,4 +1,4 @@
-#!/usr/bin/env node --import ts-blank-space/register
+#!/usr/bin/env -S node --import ts-blank-space/register
 /* eslint-env node */
 
 import fsp from 'node:fs/promises';
diff --git a/multichain-testing/scripts/pod-readiness.ts b/multichain-testing/scripts/pod-readiness.ts
index 4218c3ec175..087fd5bb040 100755
--- a/multichain-testing/scripts/pod-readiness.ts
+++ b/multichain-testing/scripts/pod-readiness.ts
@@ -1,4 +1,4 @@
-#!/usr/bin/env node --import ts-blank-space/register
+#!/usr/bin/env -S node --import ts-blank-space/register
 import { execa } from 'execa';
 import { sleep } from '../tools/sleep.js';
 
diff --git a/packages/orchestration/scripts/fetch-chain-info.ts b/packages/orchestration/scripts/fetch-chain-info.ts
index 90ffb0627be..75ee144555e 100755
--- a/packages/orchestration/scripts/fetch-chain-info.ts
+++ b/packages/orchestration/scripts/fetch-chain-info.ts
@@ -1,4 +1,4 @@
-#!/usr/bin/env node --import ts-blank-space/register
+#!/usr/bin/env -S node --import ts-blank-space/register
 /** @file Fetch canonical chain info to generate the minimum needed for agoricNames */
 import { ChainRegistryClient } from '@chain-registry/client';
 import fsp from 'node:fs/promises';
diff --git a/scripts/report-globals.ts b/scripts/report-globals.ts
index ff5fe426dc5..2661d134e6d 100755
--- a/scripts/report-globals.ts
+++ b/scripts/report-globals.ts
@@ -1,4 +1,4 @@
-#!/usr/bin/env node --import ts-blank-space/register
+#!/usr/bin/env -S node --import ts-blank-space/register
 /* eslint-disable -- hacky script for irregular reports */
 
 /**