diff --git a/stock.py b/stock.py
index 61b5815e02..5635519a7d 100644
--- a/stock.py
+++ b/stock.py
@@ -92,7 +92,7 @@ class Package:
     def search_rec_name(cls, name, clause):
         domain = super(Package, cls).search_rec_name(name, clause)
         return ['OR', domain,
-            ('shipping_reference',) + tuple(clause[:1]),
+            ('shipping_reference',) + tuple(clause[1:]),
             ]
 
 
@@ -132,7 +132,7 @@ class ShipmentOut:
     def search_rec_name(cls, name, clause):
         domain = super(ShipmentOut, cls).search_rec_name(name, clause)
         return ['OR', domain,
-            ('reference',) + tuple(clause[:1]),
+            ('reference',) + tuple(clause[1:]),
             ]
 
     @classmethod