diff --git a/tests/test_validators.py b/tests/test_validators.py
index 39490ac863..6f647d7502 100644
--- a/tests/test_validators.py
+++ b/tests/test_validators.py
@@ -434,6 +434,15 @@ def test_ignore_validation_for_null_fields(self):
         serializer = NullUniquenessTogetherSerializer(data=data)
         assert serializer.is_valid()
 
+    def test_ignore_validation_for_missing_nullable_fields(self):
+        data = {
+            'date': datetime.date(2000, 1, 1),
+            'race_name': 'Paris Marathon',
+        }
+        serializer = NullUniquenessTogetherSerializer(data=data)
+        assert not serializer.is_valid()
+        assert dict(serializer.errors) == {'position': ['This field is required.']}
+
     def test_do_not_ignore_validation_for_null_fields(self):
         # None values that are not on fields part of the uniqueness constraint
         # do not cause the instance to skip validation.