diff --git a/scripts/build-data.js b/scripts/build-data.js
index 92c75a44d..998bc8fd6 100644
--- a/scripts/build-data.js
+++ b/scripts/build-data.js
@@ -103,7 +103,8 @@ flags.emojis.sort()
 mkdirp('data', (err) => {
   if (err) throw err
 
-  fs.writeFile('data/index.js', `export default ${JSON.stringify(data)}`, (err) => {
+  const stringifiedData = JSON.stringify(data).replace(/\"([A-Za-z_]+)\":/g, '$1:')
+  fs.writeFile('data/index.js', `export default ${stringifiedData}`, (err) => {
     if (err) throw err
   })
 })