diff --git a/packages/react-dock/demo/package.json b/packages/react-dock/demo/package.json
index 247cad50..a6cda8e3 100644
--- a/packages/react-dock/demo/package.json
+++ b/packages/react-dock/demo/package.json
@@ -6,7 +6,7 @@
   "scripts": {
     "start": "webpack serve --open",
     "build": "webpack",
-    "lint": "eslint . --ext .ts"
+    "lint": "eslint . --ext .ts,.tsx"
   },
   "dependencies": {
     "react": "^16.14.0",