diff --git a/package.json b/package.json
index bbbf664..688010a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@exact-realty/esbuild-plugin-inline-js",
-  "version": "1.1.2",
+  "version": "1.1.3",
   "description": "esbuild plugin for inline scripts",
   "main": "dist/index.js",
   "module": "./dist/index.mjs",
diff --git a/src/index.ts b/src/index.ts
index 41e719b..f28b4c4 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -42,13 +42,13 @@ export default (
 				async ({ path }) => {
 					const outfile = randomBytes(9).toString('base64url');
 					const result = await esbuild.build({
+						target: build.initialOptions.target,
+						format: build.initialOptions.format,
 						...config,
 						entryPoints: [path],
 						bundle: true,
 						minify: true,
 						outfile: outfile,
-						target: 'es2017',
-						format: 'esm',
 						write: false,
 					});
 
diff --git a/test/esbuild.test.ts b/test/esbuild.test.ts
index 0528e15..da8aa98 100644
--- a/test/esbuild.test.ts
+++ b/test/esbuild.test.ts
@@ -34,7 +34,7 @@ describe('Test', () => {
 						bundle: true,
 						format: 'cjs',
 						publicPath: 'http://invalid/assets',
-						plugins: [is()],
+						plugins: [is({ format: 'esm' })],
 						platform: 'node',
 					})
 					.then(() => {
@@ -61,7 +61,7 @@ describe('Test', () => {
 						bundle: true,
 						format: 'cjs',
 						publicPath: 'http://invalid/assets',
-						plugins: [is()],
+						plugins: [is({ format: 'esm' })],
 						platform: 'node',
 						logLevel: 'silent',
 					})
@@ -109,7 +109,8 @@ describe('Test', () => {
 						publicPath: 'http://invalid/assets',
 						plugins: [
 							is({
-								plugins: [is()],
+								format: 'esm',
+								plugins: [is({ format: 'esm' })],
 							}),
 						],
 						platform: 'node',