diff --git a/addons/stock/models/stock_move.py b/addons/stock/models/stock_move.py
index 1c80d61f316..2ca5daad983 100644
--- a/addons/stock/models/stock_move.py
+++ b/addons/stock/models/stock_move.py
@@ -686,7 +686,7 @@ class StockMove(models.Model):
         # create procurements for make to order moves
         for move in move_create_proc:
             values = move._prepare_procurement_values()
-            origin = (move.group_id and (move.group_id.name + ":") or "") + (move.rule_id and move.rule_id.name or move.origin or move.picking_id.name or "/")
+            origin = (move.group_id and move.group_id.name or (move.rule_id and move.rule_id.name or move.origin or move.picking_id.name or "/"))
             self.env['procurement.group'].run(move.product_id, move.product_uom_qty, move.product_uom, move.location_id, move.rule_id and move.rule_id.name or "/", origin,
                                               values)