diff --git a/test/parallel/test-util-inspect.js b/test/parallel/test-util-inspect.js
index 4d7232b9fe51b0..634f27690e5a59 100644
--- a/test/parallel/test-util-inspect.js
+++ b/test/parallel/test-util-inspect.js
@@ -2906,6 +2906,7 @@ assert.strictEqual(
     util.inspect(x, { maxStringLength: 4 }),
     "'aaaa'... 999996 more characters"
   );
+  assert.match(util.inspect(x, { maxStringLength: null }), /a'$/);
 }
 
 {