diff --git a/packages/react-scripts/template/tslint.json b/packages/react-scripts/template/tslint.json
index 3339553acfb..eb5d66a020d 100644
--- a/packages/react-scripts/template/tslint.json
+++ b/packages/react-scripts/template/tslint.json
@@ -66,7 +66,7 @@
         "semicolon": [true, "always"],
         "switch-default": true,
 
-        "trailing-comma": false,
+        "trailing-comma": [false],
 
         "triple-equals": [ true, "allow-null-check" ],
         "typedef": [