diff --git a/packages/extension/src/background.ts b/packages/extension/src/background.ts
index 280902c59..0ed4d24a8 100644
--- a/packages/extension/src/background.ts
+++ b/packages/extension/src/background.ts
@@ -1,5 +1,5 @@
-import type { Json } from '@metamask/utils';
 import './background-trusted-prelude.js';
+import type { Json } from '@metamask/utils';
 import { CommandMethod } from '@ocap/utils';
 
 import {
diff --git a/packages/extension/src/kernel-worker-trusted-prelude.js b/packages/extension/src/kernel-worker-trusted-prelude.js
new file mode 100644
index 000000000..eab89ac69
--- /dev/null
+++ b/packages/extension/src/kernel-worker-trusted-prelude.js
@@ -0,0 +1 @@
+import './endoify.js';
diff --git a/packages/extension/src/kernel-worker.ts b/packages/extension/src/kernel-worker.ts
index ae6f94441..db3a8b82e 100644
--- a/packages/extension/src/kernel-worker.ts
+++ b/packages/extension/src/kernel-worker.ts
@@ -1,4 +1,4 @@
-import './endoify.js';
+import './kernel-worker-trusted-prelude.js';
 import type { Command } from '@ocap/utils';
 import { CommandMethod } from '@ocap/utils';
 import type { Database } from '@sqlite.org/sqlite-wasm';
diff --git a/packages/extension/vite.config.ts b/packages/extension/vite.config.ts
index 5e80a6189..3a3ac14a5 100644
--- a/packages/extension/vite.config.ts
+++ b/packages/extension/vite.config.ts
@@ -13,6 +13,10 @@ const projectRoot = './src';
 
 const jsTrustedPreludes = {
   background: path.resolve(projectRoot, 'background-trusted-prelude.js'),
+  'kernel-worker': path.resolve(
+    projectRoot,
+    'kernel-worker-trusted-prelude.js',
+  ),
 };
 
 /**