diff --git a/test/parallel/test-path-makelong.js b/test/parallel/test-path-makelong.js
index 01c81b47502f4e..b0a4ebc6b30b62 100644
--- a/test/parallel/test-path-makelong.js
+++ b/test/parallel/test-path-makelong.js
@@ -43,6 +43,7 @@ if (common.isWindows) {
                      '\\\\.\\pipe\\somepipe');
 }
 
+assert.strictEqual(path.toNamespacedPath(''), '');
 assert.strictEqual(path.toNamespacedPath(null), null);
 assert.strictEqual(path.toNamespacedPath(100), 100);
 assert.strictEqual(path.toNamespacedPath(path), path);
@@ -60,6 +61,7 @@ assert.strictEqual(path.posix.toNamespacedPath(emptyObj), emptyObj);
 if (common.isWindows) {
   // These tests cause resolve() to insert the cwd, so we cannot test them from
   // non-Windows platforms (easily)
+  assert.strictEqual(path.toNamespacedPath(''), '');
   assert.strictEqual(path.win32.toNamespacedPath('foo\\bar').toLowerCase(),
                      `\\\\?\\${process.cwd().toLowerCase()}\\foo\\bar`);
   assert.strictEqual(path.win32.toNamespacedPath('foo/bar').toLowerCase(),