diff --git a/plugos/environments/deno_sandbox.ts b/plugos/environments/deno_sandbox.ts
index 1ca49d3..b10b19d 100644
--- a/plugos/environments/deno_sandbox.ts
+++ b/plugos/environments/deno_sandbox.ts
@@ -30,7 +30,7 @@ class DenoWorkerWrapper implements WorkerLike {
   }
 }
 
-export function sanboxFactory(
+export function sandboxFactory(
   assetBundle: AssetBundle,
 ): (plug: Plug<any>) => Sandbox {
   return (plug: Plug<any>) => {
diff --git a/plugos/hooks/endpoint.test.ts b/plugos/hooks/endpoint.test.ts
index 35e7f2f..92be540 100644
--- a/plugos/hooks/endpoint.test.ts
+++ b/plugos/hooks/endpoint.test.ts
@@ -1,4 +1,4 @@
-import { createSandbox } from "../environments/deno_sandbox.ts";
+import { sandboxFactory } from "../environments/deno_sandbox.ts";
 import { Manifest } from "../types.ts";
 import { EndpointHook, EndpointHookT } from "./endpoint.ts";
 import { System } from "../system.ts";
@@ -6,7 +6,11 @@ import { System } from "../system.ts";
 import { Application } from "../../server/deps.ts";
 import { assertEquals } from "../../test_deps.ts";
 
+import assetBundle from "../../dist/asset_bundle.json" assert { type: "json" };
+import { AssetBundle } from "../asset_bundle_reader.ts";
+
 Deno.test("Run a plugos endpoint server", async () => {
+  const createSandbox = sandboxFactory(assetBundle as AssetBundle);
   let system = new System<EndpointHookT>("server");
   let plug = await system.load(
     {
diff --git a/plugos/runtime.test.ts b/plugos/runtime.test.ts
index f99dc8a..a735ecc 100644
--- a/plugos/runtime.test.ts
+++ b/plugos/runtime.test.ts
@@ -1,4 +1,4 @@
-import { createSandbox } from "./environments/deno_sandbox.ts";
+import { sandboxFactory } from "./environments/deno_sandbox.ts";
 import { System } from "./system.ts";
 
 import {
@@ -6,7 +6,10 @@ import {
   assertEquals,
 } from "https://deno.land/std@0.158.0/testing/asserts.ts";
 
+import assetBundle from "../dist/asset_bundle.json" assert { type: "json" };
 Deno.test("Run a deno sandbox", async () => {
+  const createSandbox = sandboxFactory(assetBundle as AssetBundle);
+
   const system = new System("server");
   system.registerSyscalls([], {
     addNumbers: (_ctx, a, b) => {
@@ -122,9 +125,12 @@ Deno.test("Run a deno sandbox", async () => {
 
 import { bundle as plugOsBundle } from "./bin/plugos-bundle.ts";
 import { esbuild } from "./compile.ts";
+import { AssetBundle } from "./asset_bundle_reader.ts";
 const __dirname = new URL(".", import.meta.url).pathname;
 
 Deno.test("Preload dependencies", async () => {
+  const createSandbox = sandboxFactory(assetBundle as AssetBundle);
+
   const globalModules = await plugOsBundle(
     `${__dirname}../plugs/global.plug.yaml`,
   );
diff --git a/plugos/syscalls/store.deno.test.ts b/plugos/syscalls/store.deno.test.ts
index 97b44ca..2293fdc 100644
--- a/plugos/syscalls/store.deno.test.ts
+++ b/plugos/syscalls/store.deno.test.ts
@@ -1,10 +1,14 @@
 import { assertEquals } from "../../test_deps.ts";
 import { SQLite } from "../../server/deps.ts";
-import { createSandbox } from "../environments/deno_sandbox.ts";
+import { sandboxFactory } from "../environments/deno_sandbox.ts";
 import { System } from "../system.ts";
 import { ensureTable, storeSyscalls } from "./store.deno.ts";
 
+import assetBundle from "../../dist/asset_bundle.json" assert { type: "json" };
+import { AssetBundle } from "../asset_bundle_reader.ts";
+
 Deno.test("Test store", async () => {
+  const createSandbox = sandboxFactory(assetBundle as AssetBundle);
   const db = new SQLite(":memory:");
   await ensureTable(db, "test_table");
   const system = new System("server");
diff --git a/server/http_server.ts b/server/http_server.ts
index 8cff734..08c138a 100644
--- a/server/http_server.ts
+++ b/server/http_server.ts
@@ -14,7 +14,7 @@ import { Space } from "../common/spaces/space.ts";
 import { SpacePrimitives } from "../common/spaces/space_primitives.ts";
 import { markdownSyscalls } from "../common/syscalls/markdown.ts";
 import { parseYamlSettings } from "../common/util.ts";
-import { sanboxFactory } from "../plugos/environments/deno_sandbox.ts";
+import { sandboxFactory } from "../plugos/environments/deno_sandbox.ts";
 import { EndpointHook } from "../plugos/hooks/endpoint.ts";
 import { EventHook } from "../plugos/hooks/event.ts";
 import { DenoCronHook } from "../plugos/hooks/cron.deno.ts";
@@ -177,7 +177,7 @@ export class HttpServer {
       const { data } = await this.space.readAttachment(plugName, "string");
       await this.system.load(
         JSON.parse(data as string),
-        sanboxFactory(this.assetBundle),
+        sandboxFactory(this.assetBundle),
       );
     }
     this.rebuildMdExtensions();