diff --git a/addons/sale/i18n/fr_FR.po b/addons/sale/i18n/fr_FR.po
index aab22a4c198..89a41a2bff9 100644
--- a/addons/sale/i18n/fr_FR.po
+++ b/addons/sale/i18n/fr_FR.po
@@ -901,8 +901,8 @@ msgstr "Uniquement les Commandes de Livraison"
 #. module: sale
 #, python-format
 #: code:addons/sale/wizard/make_invoice_advance.py:0
-msgid "You cannot make an advance on a sale order that is defined as \'Automatic Invoice after delivery\'."
-msgstr "Vous ne pouvez pas faire une avance sur une commande client définie comme \'Facture automatique après livraison\'."
+msgid "You cannot make an advance on a sale order that is defined as 'Automatic Invoice after delivery'."
+msgstr "Vous ne pouvez pas faire une avance sur une commande client définie comme 'Facture automatique après livraison'."
 
 #. module: sale
 #: rml:sale.order:0
diff --git a/addons/sale/wizard/make_invoice_advance.py b/addons/sale/wizard/make_invoice_advance.py
index 58238ebcabd..6d741307924 100644
--- a/addons/sale/wizard/make_invoice_advance.py
+++ b/addons/sale/wizard/make_invoice_advance.py
@@ -60,7 +60,7 @@ def _createInvoices(self, cr, uid, data, context={}):
         if sale.order_policy == 'postpaid':
             raise osv.except_osv(
                 _('Error'),
-                _('You cannot make an advance on a sale order that is defined as \'Automatic Invoice after delivery\'.'))
+                _("You cannot make an advance on a sale order that is defined as 'Automatic Invoice after delivery'."))
         val = obj_lines.product_id_change(cr, uid, [], data['form']['product_id'],uom = False, partner_id = sale.partner_id.id)
         line_id =obj_lines.create(cr, uid, {
             'name': val['value']['name'],