diff --git a/core/utils/te/engines/Mongo.py b/core/utils/te/engines/Mongo.py
index 4ca7709..3dfcea2 100644
--- a/core/utils/te/engines/Mongo.py
+++ b/core/utils/te/engines/Mongo.py
@@ -51,14 +51,12 @@ class MongoEngine(AbstractEngineClass):
         else:
             tmp = tmp.sort(sort_by)
 
-        self.rows = tmp.limit(
-            self.input.get_limit()).skip(self.input.skip())
         if self.input.e and self.input.e.ot:
-            copy_list = copy.deepcopy(tmp)
-            res = await copy_list.to_list(None)
+            res = await tmp.to_list(None)
             self.input.e.d = self.generate_output(res)
             return {'query': _f, 'sort': self.set_sort(), 'path': self.input.e.d}
 
+        self.rows = tmp.limit(self.input.get_limit()).skip(self.input.skip())
         if self.return_query:
             return {'query':_f, 'sort':self.set_sort(), 'limit':self.input.get_limit(), 'page':self.input.skip()}
         return [self.model(**document) async for document in self.rows], await self.count()