diff --git a/themes/atom-dark-ui/package.json b/themes/atom-dark-ui/package.json
index 177ed813e..b223f8deb 100644
--- a/themes/atom-dark-ui/package.json
+++ b/themes/atom-dark-ui/package.json
@@ -9,7 +9,7 @@
     "markdown-preview.css",
     "command-panel.css",
     "command-logger.css",
-    "blurred.css"
+    "blurred.css",
     "bracket-matcher.css"
   ]
 }