diff --git a/dev-packages/application-manager/src/generator/webpack-generator.ts b/dev-packages/application-manager/src/generator/webpack-generator.ts
index 556f145640533..e7753e378c930 100644
--- a/dev-packages/application-manager/src/generator/webpack-generator.ts
+++ b/dev-packages/application-manager/src/generator/webpack-generator.ts
@@ -322,10 +322,10 @@ configs[0].module.rules.push({
     loader: require.resolve('@theia/application-manager/lib/expose-loader')
 }); */
 
-module.exports = {
+module.exports = [
     ...configs,
     nodeConfig.config
-};`;
+];`;
     }
 
     protected compileNodeWebpackConfig(): string {