diff --git a/markdownify/__init__.py b/markdownify/__init__.py
index 82f72f7..c5348a4 100644
--- a/markdownify/__init__.py
+++ b/markdownify/__init__.py
@@ -83,6 +83,14 @@ class MarkdownConverter(object):
     def convert_i(self, el):
         return self.convert_em(el)
 
+    def convert_li(self, el):
+        parent = el.getparent()
+        if parent is not None and parent.tag == 'ol':
+            bullet = '%s.' % (parent.index(el) + 1)
+        else:
+            bullet = '*'
+        return '%s %s\n' % (bullet, el.text or '')
+
     def convert_strong(self, el):
         return '**%s**' % el.text if el.text else ''
 
diff --git a/tests.py b/tests.py
index ac97e33..ef96b15 100644
--- a/tests.py
+++ b/tests.py
@@ -35,5 +35,11 @@ class ConversionTests(unittest.TestCase):
     def test_i(self):
         self.assertEqual(md('<i>Hello</i>'), '*Hello*')
 
+    def test_ol(self):
+        self.assertEqual(md('<ol><li>a</li><li>b</li></ol>'), '1. a\n2. b\n')
+
     def test_strong(self):
         self.assertEqual(md('<strong>Hello</strong>'), '**Hello**')
+
+    def test_ul(self):
+        self.assertEqual(md('<ul><li>a</li><li>b</li></ul>'), '* a\n* b\n')