diff --git a/addons/stock_picking_batch/models/stock_move.py b/addons/stock_picking_batch/models/stock_move.py
index 5e12cb0a327..08566c9ef9e 100644
--- a/addons/stock_picking_batch/models/stock_move.py
+++ b/addons/stock_picking_batch/models/stock_move.py
@@ -23,5 +23,6 @@ class StockMove(models.Model):
         return res
 
     def _assign_picking_post_process(self, new=False):
-        super(StockMove, self)._assign_picking_post_process(new=new)
-        self.picking_id.action_confirm()
+        super()._assign_picking_post_process(new=new)
+        for picking in self.picking_id:
+            picking._find_auto_batch()