diff --git a/src/pack.ts b/src/pack.ts
index 4dca3ddf..8f6648ac 100644
--- a/src/pack.ts
+++ b/src/pack.ts
@@ -1,11 +1,12 @@
 import * as fs from 'fs-extra';
 import * as glob from 'glob';
 import * as path from 'path';
-import { intersection, isEmpty, path as get, without } from 'ramda';
+import { intersection, isEmpty, lensProp, map, over, path as get, pipe, reject, replace, test, without } from 'ramda';
 import * as semver from 'semver';
 import { EsbuildPlugin, SERVERLESS_FOLDER } from '.';
 import { doSharePath, flatDep, getDepsFromBundle } from './helper';
 import * as Packagers from './packagers';
+import { IFiles } from './types';
 import { humanSize, zip } from './utils';
 
 function setFunctionArtifactPath(this: EsbuildPlugin, func, artifactPath) {
@@ -38,7 +39,7 @@ export async function pack(this: EsbuildPlugin) {
     );
 
   // get a list of all path in build
-  const files: { localPath: string; rootPath: string }[] = glob
+  const files: IFiles = glob
     .sync('**', {
       cwd: this.buildDirPath,
       dot: true,
@@ -57,8 +58,14 @@ export async function pack(this: EsbuildPlugin) {
     const zipName = `${this.serverless.service.service}.zip`;
     const artifactPath = path.join(this.workDirPath, SERVERLESS_FOLDER, zipName);
 
+    // remove prefixes from individual extra files
+    const filesPathList = pipe<IFiles, IFiles, IFiles>(
+      reject(test(/^__only_[^/]+$/)) as (x: IFiles) => IFiles,
+      map(over(lensProp('localPath'), replace(/^__only_[^/]+\//, '')))
+    )(files);
+
     const startZip = Date.now();
-    await zip(artifactPath, files);
+    await zip(artifactPath, filesPathList);
     const { size } = fs.statSync(artifactPath);
 
     this.serverless.cli.log(
diff --git a/src/types.ts b/src/types.ts
index f550abad..042159c5 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,2 +1,8 @@
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 export type JSONObject = any;
+
+export interface IFile {
+  readonly localPath: string
+  readonly rootPath: string
+}
+export type IFiles = readonly IFile[];
diff --git a/src/utils.ts b/src/utils.ts
index 4f7de55b..96f8c8fb 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -3,6 +3,7 @@ import * as childProcess from 'child_process';
 import * as fs from 'fs-extra';
 import * as path from 'path';
 import { join } from 'ramda';
+import { IFiles } from './types';
 
 export class SpawnError extends Error {
   constructor(message: string, public stdout: string, public stderr: string) {
@@ -91,7 +92,7 @@ export const humanSize = (size: number) => {
   return `${sanitized} ${['B', 'KB', 'MB', 'GB', 'TB'][i]}`;
 };
 
-export const zip = (zipPath: string, filesPathList: { rootPath: string; localPath: string }[]) => {
+export const zip = (zipPath: string, filesPathList: IFiles) => {
   fs.mkdirpSync(path.dirname(zipPath));
 
   const zip = archiver.create('zip');