diff --git a/e2e/__tests__/nonSerializableStructuresInequality.test.ts b/e2e/__tests__/nonSerializableStructuresInequality.test.ts
index c7b6f6c53fb4..c4d41753cce9 100644
--- a/e2e/__tests__/nonSerializableStructuresInequality.test.ts
+++ b/e2e/__tests__/nonSerializableStructuresInequality.test.ts
@@ -28,7 +28,7 @@ const testIn2Workers = async (
 
   const {end, waitUntil} = runContinuous(
     tempDir,
-    ['--no-watchman', '--watch-all'].concat(extraOptions),
+    ['--no-watchman', '--watch-all', ...extraOptions],
     // timeout in case the `waitUntil` below doesn't fire
     {stripAnsi: true, timeout: 5000},
   );