diff --git a/integration_tests/utils.js b/integration_tests/utils.js
index 49379fe4ac77..04d1dec293bc 100644
--- a/integration_tests/utils.js
+++ b/integration_tests/utils.js
@@ -162,7 +162,7 @@ const cleanupStackTrace = (output: string) => {
     .replace(/\n.*at.*assert\.js.*$/gm, '')
     .replace(/\n.*at.*node\.js.*$/gm, '')
     .replace(/\n.*at.*next_tick\.js.*$/gm, '')
-    .replace(/\n.*at (new)? Promise \(<anonymous>\).*$/gm, '')
+    .replace(/\n.*at (new )?Promise \(<anonymous>\).*$/gm, '')
     .replace(/\n.*at <anonymous>.*$/gm, '')
     .replace(/\n.*at Generator.next \(<anonymous>\).*$/gm, '')
     .replace(/^.*at.*[\s][\(]?(\S*\:\d*\:\d*).*$/gm, '      at $1');