diff --git a/packages/nitro/src/presets/worker.ts b/packages/nitro/src/presets/worker.ts
index 724e74975..eb0eedd26 100644
--- a/packages/nitro/src/presets/worker.ts
+++ b/packages/nitro/src/presets/worker.ts
@@ -4,5 +4,6 @@ export const worker: NitroPreset = {
   entry: null, // Abstract
   node: false,
   minify: true,
+  externals: false,
   inlineDynamicImports: true // iffe does not support code-splitting
 }