diff --git a/mongoengine/queryset.py b/mongoengine/queryset.py
index 8ea7ca31..77cad564 100644
--- a/mongoengine/queryset.py
+++ b/mongoengine/queryset.py
@@ -1365,6 +1365,7 @@ class QuerySet(object):
             raise OperationError(u'Update failed [%s]' % unicode(e))
 
     def __iter__(self):
+        self.rewind()
         return self
 
     def _sub_js_fields(self, code):
diff --git a/tests/queryset.py b/tests/queryset.py
index 92be1d3b..67f1ea2a 100644
--- a/tests/queryset.py
+++ b/tests/queryset.py
@@ -570,7 +570,13 @@ class QuerySetTest(unittest.TestCase):
         people1 = [person for person in queryset]
         people2 = [person for person in queryset]
 
+        # Check that it still works even if iteration is interrupted.
+        for person in queryset:
+            break
+        people3 = [person for person in queryset]
+
         self.assertEqual(people1, people2)
+        self.assertEqual(people1, people3)
 
     def test_repr_iteration(self):
         """Ensure that QuerySet __repr__ can handle loops