diff --git a/muk_utils/models/mixins_hierarchy.py b/muk_utils/models/mixins_hierarchy.py
index 5da90d6..b3e68c0 100644
--- a/muk_utils/models/mixins_hierarchy.py
+++ b/muk_utils/models/mixins_hierarchy.py
@@ -75,7 +75,7 @@ class Hierarchy(models.AbstractModel):
     @api.model
     def _search_parent_path_names(self, operator, operand):
         domain = []
-        for value in operand.split('/')
+        for value in operand.split('/'):
             args = [(self._rec_name_fallback(), operator, value)]
             domain = expression.OR(args, domain) if domain else args
         return domain