diff --git a/tensorflow/python/keras/saving/save_test.py b/tensorflow/python/keras/saving/save_test.py
index 5c5846fe738..98d78735ad1 100644
--- a/tensorflow/python/keras/saving/save_test.py
+++ b/tensorflow/python/keras/saving/save_test.py
@@ -71,6 +71,12 @@ class TestSaveModel(test.TestCase, parameterized.TestCase):
     save.save_model(self.model, path)
     self.assert_saved_model(path)
 
+  @test_util.run_v2_only
+  def test_save_format_defaults_pathlib(self):
+    path = pathlib.Path(self.get_temp_dir()) / 'model_path'
+    save.save_model(self.model, path)
+    self.assert_saved_model(path)
+
   @test_util.run_v2_only
   def test_save_hdf5(self):
     path = os.path.join(self.get_temp_dir(), 'model')
@@ -81,6 +87,13 @@ class TestSaveModel(test.TestCase, parameterized.TestCase):
         'requires the model to be a Functional model or a Sequential model.'):
       save.save_model(self.subclassed_model, path, save_format='h5')
 
+  @test_util.run_v2_only
+  def test_save_load_hdf5_pathlib(self):
+    if sys.version_info >= (3, 6):
+      path = pathlib.Path(self.get_temp_dir()) / 'model'
+      save.save_model(self.model, path, save_format='h5')
+      save.load_model(path)
+
   @test_util.run_v2_only
   def test_save_tf(self):
     path = os.path.join(self.get_temp_dir(), 'model')