diff --git a/test/parallel/test-url-relative.js b/test/parallel/test-url-relative.js
index cf379e591d6088..f40981de62201e 100644
--- a/test/parallel/test-url-relative.js
+++ b/test/parallel/test-url-relative.js
@@ -4,6 +4,9 @@ const assert = require('assert');
 const inspect = require('util').inspect;
 const url = require('url');
 
+// when source is false
+assert.strictEqual(url.resolveObject('', 'foo'), 'foo');
+
 /*
  [from, path, expected]
 */