diff --git a/legacy/package.json b/legacy/package.json
index 631dc0d6..4ffdf7ed 100644
--- a/legacy/package.json
+++ b/legacy/package.json
@@ -57,7 +57,7 @@
     "pre-commit": "npx lint-staged"
   },
   "lint-staged": {
-    "*": [
+    "*.{ts,tsx}": [
       "prettier --ignore-unknown --write",
       "eslint --fix"
     ]