1 files changed, 5 insertions, 0 deletions
diff --git a/db.py b/db.py
index e75adca..2d4d320 100644
--- a/db.py
+++ b/db.py
@@ -23,6 +23,11 @@ class GroupedQuery(Query):
         super(GroupedQuery, self).__init__(model, where)
         self.real_group_by = []
 
+    def clone(self, klass=None, memo=None, **kwargs):
+        obj = super(GroupedQuery, self).clone(klass, memo, **kwargs)
+        obj.real_group_by = self.real_group_by[:]
+        return obj
+
     def add_grouping(self, *grouping):
         self.real_group_by.extend(grouping)