diff --git a/tests/spec/fs.readdir.spec.js b/tests/spec/fs.readdir.spec.js
index 0e9a1ec..da8d175 100644
--- a/tests/spec/fs.readdir.spec.js
+++ b/tests/spec/fs.readdir.spec.js
@@ -55,3 +55,24 @@ describe('fs.readdir', function() {
     });
   });
 });
+
+/**
+ * fsPromises tests
+ */
+
+describe('fsPromises.readdir', function() {
+  beforeEach(util.setup);
+  afterEach(util.cleanup);
+
+  it('should return an error if the path is a file', function() {
+    var fsPromises = util.fs().promises;
+
+    return fsPromises.open('/myfile', 'w')
+      .then(fd => fsPromises.close(fd))
+      .then(() => fsPromises.readdir('/myfile'))
+      .catch(error => {
+        expect(error).to.exist;
+        expect(error.code).to.equal('ENOTDIR');
+      });
+  });
+});
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