diff --git a/lib/plugins/aws/package/compile/events/apiGateway/lib/validate.js b/lib/plugins/aws/package/compile/events/apiGateway/lib/validate.js
index ba663fb96..3855a7272 100644
--- a/lib/plugins/aws/package/compile/events/apiGateway/lib/validate.js
+++ b/lib/plugins/aws/package/compile/events/apiGateway/lib/validate.js
@@ -29,7 +29,7 @@ const DEFAULT_STATUS_CODES = {
     pattern: '[\\s\\S]*\\[502\\][\\s\\S]*',
   },
   504: {
-    pattern: '([\s\S]*\[504\][\s\S]*)|(^[Task timed out].*)',
+    pattern: '([\\s\\S]*\\[504\\][\\s\\S]*)|(^\[Task timed out\].*)',
   },
 };