diff --git a/src/components/LspProvider.tsx b/src/components/LspProvider.tsx
index 43bd0b4ed..d4af556fb 100644
--- a/src/components/LspProvider.tsx
+++ b/src/components/LspProvider.tsx
@@ -21,6 +21,7 @@ import {
   CopilotWorkerOptions,
   LspWorker,
 } from 'editor/plugins/lsp/types'
+import { wasmUrl } from 'lang/wasm'
 
 const DEFAULT_FILE_NAME: string = 'main.kcl'
 
@@ -99,6 +100,7 @@ export const LspProvider = ({ children }: { children: React.ReactNode }) => {
 
     const lspWorker = new Worker({ name: 'kcl' })
     const initEvent: KclWorkerOptions = {
+      wasmUrl: wasmUrl(),
       token: token,
       baseUnit: defaultUnit.current,
       devMode: DEV,
@@ -173,6 +175,7 @@ export const LspProvider = ({ children }: { children: React.ReactNode }) => {
 
     const lspWorker = new Worker({ name: 'copilot' })
     const initEvent: CopilotWorkerOptions = {
+      wasmUrl: wasmUrl(),
       token: token,
       devMode: DEV,
     }
diff --git a/src/editor/plugins/lsp/types.ts b/src/editor/plugins/lsp/types.ts
index 6f13bd9a0..b6f786afa 100644
--- a/src/editor/plugins/lsp/types.ts
+++ b/src/editor/plugins/lsp/types.ts
@@ -5,12 +5,14 @@ export enum LspWorker {
   Copilot = 'copilot',
 }
 export interface KclWorkerOptions {
+  wasmUrl: string
   token: string
   baseUnit: UnitLength
   devMode: boolean
 }
 
 export interface CopilotWorkerOptions {
+  wasmUrl: string
   token: string
   devMode: boolean
 }
diff --git a/src/editor/plugins/lsp/worker.ts b/src/editor/plugins/lsp/worker.ts
index cf227fa85..9c6eedf83 100644
--- a/src/editor/plugins/lsp/worker.ts
+++ b/src/editor/plugins/lsp/worker.ts
@@ -18,29 +18,9 @@ import { EngineCommandManager } from 'lang/std/engineConnection'
 const intoServer: IntoServer = new IntoServer()
 const fromServer: FromServer = FromServer.create()
 
-export const wasmUrl = () => {
-  const baseUrl =
-    typeof window === 'undefined'
-      ? 'http://localhost:3000'
-      : window.location.origin.includes('tauri://localhost')
-      ? 'tauri://localhost' // custom protocol for macOS
-      : window.location.origin.includes('tauri.localhost')
-      ? 'http://tauri.localhost' // fallback for Windows
-      : window.location.origin.includes('localhost')
-      ? 'http://localhost:3000'
-      : window.location.origin && window.location.origin !== 'null'
-      ? window.location.origin
-      : 'http://localhost:3000'
-  const fullUrl = baseUrl + '/wasm_lib_bg.wasm'
-  console.log(`Worker full URL for WASM: ${fullUrl}`)
-
-  return fullUrl
-}
-
 // Initialise the wasm module.
-const initialise = async () => {
-  const fullUrl = wasmUrl()
-  const input = await fetch(fullUrl)
+const initialise = async (wasmUrl: string) => {
+  const input = await fetch(wasmUrl)
   const buffer = await input.arrayBuffer()
   return init(buffer)
 }
@@ -80,7 +60,10 @@ onmessage = function (event) {
 
   switch (eventType) {
     case LspWorkerEventType.Init:
-      initialise()
+      let { wasmUrl }: KclWorkerOptions | CopilotWorkerOptions = eventData as
+        | KclWorkerOptions
+        | CopilotWorkerOptions
+      initialise(wasmUrl)
         .then((instantiatedModule) => {
           console.log('Worker: WASM module loaded', worker, instantiatedModule)
           const config = new ServerConfig(