diff --git a/packages/server/src/threads/utils.ts b/packages/server/src/threads/utils.ts
index a0f3bbdc47..cd547cacae 100644
--- a/packages/server/src/threads/utils.ts
+++ b/packages/server/src/threads/utils.ts
@@ -2,6 +2,7 @@ import { QueryVariable } from "./definitions"
 import env from "../environment"
 import * as db from "../db"
 import { redis, db as dbCore } from "@budibase/backend-core"
+import * as jsRunner from "../jsRunner"
 
 const VARIABLE_TTL_SECONDS = 3600
 let client: any
@@ -29,7 +30,9 @@ export function threadSetup() {
     console.debug(`[${env.FORKED_PROCESS_NAME}] thread setup skipped`)
     return
   }
+
   console.debug(`[${env.FORKED_PROCESS_NAME}] thread setup running`)
+  jsRunner.init()
   db.init()
 }
 
diff --git a/packages/string-templates/src/index.js b/packages/string-templates/src/index.js
index f370b67272..bcd63d2e6f 100644
--- a/packages/string-templates/src/index.js
+++ b/packages/string-templates/src/index.js
@@ -1,3 +1,4 @@
+const vm = require("vm")
 const handlebars = require("handlebars")
 const { registerAll, registerMinimum } = require("./helpers/index")
 const processors = require("./processors")
@@ -402,3 +403,19 @@ const errors = require("./errors")
 module.exports.JsErrorTimeout = errors.JsErrorTimeout
 
 module.exports.helpersToRemoveForJs = helpersToRemoveForJs
+
+if (process && !process.env.NO_JS) {
+  /**
+   * Use polyfilled vm to run JS scripts in a browser Env
+   */
+  javascript.setJSRunner((js, context) => {
+    context = {
+      ...context,
+      alert: undefined,
+      setInterval: undefined,
+      setTimeout: undefined,
+    }
+    vm.createContext(context)
+    return vm.runInNewContext(js, context, { timeout: 1000 })
+  })
+}
diff --git a/packages/string-templates/src/index.mjs b/packages/string-templates/src/index.mjs
index 5ac7981fee..f54ca7e23e 100644
--- a/packages/string-templates/src/index.mjs
+++ b/packages/string-templates/src/index.mjs
@@ -1,4 +1,3 @@
-import vm from "vm"
 import templates from "./index.js"
 
 /**
@@ -24,20 +23,4 @@ export const setOnErrorLog = templates.setOnErrorLog
 export const FIND_ANY_HBS_REGEX = templates.FIND_ANY_HBS_REGEX
 export const helpersToRemoveForJs = templates.helpersToRemoveForJs
 
-if (process && !process.env.NO_JS) {
-  /**
-   * Use polyfilled vm to run JS scripts in a browser Env
-   */
-  setJSRunner((js, context) => {
-    context = {
-      ...context,
-      alert: undefined,
-      setInterval: undefined,
-      setTimeout: undefined,
-    }
-    vm.createContext(context)
-    return vm.runInNewContext(js, context, { timeout: 1000 })
-  })
-}
-
 export * from "./errors.js"