diff --git a/addons/sale_stock/i18n/sale_stock.pot b/addons/sale_stock/i18n/sale_stock.pot
index db2bf052fb0..34ca26249f4 100644
--- a/addons/sale_stock/i18n/sale_stock.pot
+++ b/addons/sale_stock/i18n/sale_stock.pot
@@ -349,7 +349,7 @@ msgstr ""
 #. module: sale_stock
 #: code:addons/sale_stock/sale_stock.py:270
 #, python-format
-msgid "You selected a quantity of %d Units.\n"
+msgid "You selected a quantity of %s %s.\n"
 "But it's not compatible with the selected packaging.\n"
 "Here is a proposition of quantities according to the packaging:\n"
 "EAN: %s Quantity: %s Type of ul: %s"
diff --git a/addons/sale_stock/sale_stock.py b/addons/sale_stock/sale_stock.py
index 4c943325f6a..00585a9abb3 100644
--- a/addons/sale_stock/sale_stock.py
+++ b/addons/sale_stock/sale_stock.py
@@ -260,11 +260,12 @@ class sale_order_line(osv.osv):
                 qty_pack = pack.qty
                 type_ul = pack.ul
                 if not warning_msgs:
-                    warn_msg = _("You selected a quantity of %d Units.\n"
+                    uom_obj = product_uom_obj.browse(cr, uid, uom, context=context)
+                    warn_msg = _("You selected a quantity of %s %s.\n"
                                 "But it's not compatible with the selected packaging.\n"
                                 "Here is a proposition of quantities according to the packaging:\n"
                                 "EAN: %s Quantity: %s Type of ul: %s") % \
-                                    (qty, ean, qty_pack, type_ul.name)
+                                    (qty, uom_obj.name, ean, qty_pack, type_ul.name)
                     warning_msgs += _("Picking Information ! : ") + warn_msg + "\n\n"
                 warning = {
                        'title': _('Configuration Error!'),