diff --git a/.prettierignore b/.prettierignore
index 8d27bcaf48e6ac..6f200037852689 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -7,5 +7,6 @@ packages/*/package.json
 **/lib/**/*.js
 **/lib-commonjs/**/*.js
 **/dist/*.js
+**/common/changes/**/*.*
 
 **/CHANGELOG.json
\ No newline at end of file
diff --git a/package.json b/package.json
index 189b214cfb2a1a..c4fba913107a99 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
       "node ./scripts/lint-staged/tslint",
       "git add"
     ],
-    "*.{js,json}": [
+    "*.{js}": [
       "node ./scripts/lint-staged/prettier",
       "git add"
     ]