diff --git a/mongoengine/queryset/queryset.py b/mongoengine/queryset/queryset.py
index 0b065853f..caa6bc43d 100644
--- a/mongoengine/queryset/queryset.py
+++ b/mongoengine/queryset/queryset.py
@@ -806,6 +806,7 @@ def hint(self, index=None):
         queryset = self.clone()
         queryset._hint = index
 
+        # If a cursor object has already been created, apply the hint to it.
         if queryset._cursor_obj:
             queryset._cursor_obj.hint(queryset._hint)
 
@@ -813,8 +814,12 @@ def hint(self, index=None):
 
     def batch_size(self, size):
         queryset = self.clone()
-        queryset._cursor.batch_size(size)
         queryset._batch_size = size
+
+        # If a cursor object has already been created, apply the batch size to it.
+        if queryset._cursor_obj:
+            queryset._cursor_obj.batch_size(queryset._batch_size)
+
         return queryset
 
     def distinct(self, field, dereference=True):