diff --git a/tests/fixtures.ts b/tests/fixtures.ts
index 4414a80..879022c 100644
--- a/tests/fixtures.ts
+++ b/tests/fixtures.ts
@@ -162,6 +162,10 @@ export const minification = {
 	'/src/index.js': 'export default ( stringVal )  =>  { return stringVal }',
 };
 
+export const define = {
+	'/src/index.js': 'export default () => [__TEST1__, __TEST2__]',
+};
+
 export const getHelpers = {
 	'/src/index.js': 'export default async () => {}',
 };
diff --git a/tests/specs/plugin.ts b/tests/specs/plugin.ts
index f1ee00e..cf074d8 100644
--- a/tests/specs/plugin.ts
+++ b/tests/specs/plugin.ts
@@ -750,5 +750,33 @@ export default testSuite(({ describe }, webpack: typeof webpack4 | typeof webpac
 				webpack,
 			)).resolves.toBeTruthy();
 		});
+
+		test('multiple plugins', async () => {
+			const built = await build(
+				fixtures.define,
+				(config) => {
+					configureEsbuildMinifyPlugin(config);
+					config.plugins?.push(
+						new EsbuildPlugin({
+							define: {
+								__TEST1__: '123',
+							},
+						}),
+						new EsbuildPlugin({
+							define: {
+								__TEST2__: '321',
+							},
+						}),
+					);
+				},
+				webpack,
+			);
+
+			expect(built.stats.hasWarnings()).toBe(false);
+			expect(built.stats.hasErrors()).toBe(false);
+
+			const exportedFunction = built.require('/dist/');
+			expect(exportedFunction('hello world')).toStrictEqual([123, 321]);
+		});
 	});
 });