diff --git a/modules/stock/inventory.py b/modules/stock/inventory.py
index daa7f334e6..bf58f320dc 100644
--- a/modules/stock/inventory.py
+++ b/modules/stock/inventory.py
@@ -65,6 +65,7 @@ class Inventory(Workflow, ModelSQL, ModelView):
 
     @classmethod
     def __setup__(cls):
+        cls.number.search_unaccented = False
         super(Inventory, cls).__setup__()
         t = cls.__table__()
         cls._sql_indexes.add(