diff --git a/src/index.js b/src/index.js
index b83c007f..594c093a 100644
--- a/src/index.js
+++ b/src/index.js
@@ -680,6 +680,9 @@ function createConfig(options, entry, format, writeMeta) {
 			strict: options.strict === true,
 			freeze: false,
 			esModule: false,
+			// @TODO: enable this when updating to the latest Rollup:
+			//generatedCode: modern ? 'es2015' : 'es5',
+			externalLiveBindings: false,
 			sourcemap: options.sourcemap,
 			get banner() {
 				return shebang[options.name];