diff --git a/ui/webpack.config.prod.js b/ui/webpack.config.prod.js
index f7093e7273..446b48a848 100644
--- a/ui/webpack.config.prod.js
+++ b/ui/webpack.config.prod.js
@@ -96,7 +96,7 @@ module.exports = {
         new CompressionPlugin({
             asset: "[path].gz[query]",
             algorithm: "gzip",
-            test: /\.js$|\.css$|\.svg$|\.ttf$|\.woff$|\.woff2|\.eot$\.json$/,
+            test: /\.js$|\.css$|\.svg$|\.ttf$|\.woff$|\.woff2$|\.eot$|\.json$/,
             threshold: 10240,
             minRatio: 0.8
         }),