diff --git a/django/utils/datastructures.py b/django/utils/datastructures.py
index 1673ee10e8..a95f8c351a 100644
--- a/django/utils/datastructures.py
+++ b/django/utils/datastructures.py
@@ -146,7 +146,7 @@ class MultiValueDict(dict):
             return default
         else:
             if force_list:
-                values = list(values)
+                values = list(values) if values is not None else None
             return values
 
     def getlist(self, key, default=None):
diff --git a/tests/utils_tests/test_datastructures.py b/tests/utils_tests/test_datastructures.py
index ea2b147953..f917a2ae4e 100644
--- a/tests/utils_tests/test_datastructures.py
+++ b/tests/utils_tests/test_datastructures.py
@@ -119,6 +119,11 @@ class MultiValueDictTests(SimpleTestCase):
         values = x.getlist('b', default=MISSING)
         self.assertIs(values, MISSING)
 
+    def test_getlist_none_empty_values(self):
+        x = MultiValueDict({'a': None, 'b': []})
+        self.assertIsNone(x.getlist('a'))
+        self.assertEqual(x.getlist('b'), [])
+
 
 class ImmutableListTests(SimpleTestCase):