diff --git a/scripts/rollup/build.js b/scripts/rollup/build.js
index f1ddb7d8cf..fe3612e870 100644
--- a/scripts/rollup/build.js
+++ b/scripts/rollup/build.js
@@ -120,7 +120,7 @@ function updateBabelConfig(babelOpts, bundleType) {
           resolve('./scripts/babel/transform-object-assign-require'),
           // Replace __DEV__ with process.env.NODE_ENV and minify invariant messages
           require('../error-codes/dev-expression-with-codes'),
-        ])
+        ]),
       });
     default:
       return babelOpts;