diff --git a/test/parallel/test-cli-bad-options.js b/test/parallel/test-cli-bad-options.js
index 8283ab078fe7f6..15a385b99f66d9 100644
--- a/test/parallel/test-cli-bad-options.js
+++ b/test/parallel/test-cli-bad-options.js
@@ -18,6 +18,8 @@ function requiresArgument(option) {
   assert.strictEqual(r.status, 9);
 
   const msg = r.stderr.split(/\r?\n/)[0];
-  assert.strictEqual(msg, process.execPath + ': ' + option +
-                     ' requires an argument');
+  assert.strictEqual(
+    msg,
+    `${process.execPath}: ${option} requires an argument`
+  );
 }