diff --git a/docbow_project/docbow/forms.py b/docbow_project/docbow/forms.py
index 452722f..8a14821 100644
--- a/docbow_project/docbow/forms.py
+++ b/docbow_project/docbow/forms.py
@@ -447,10 +447,15 @@ class ProfileForm(ModelForm):
                         try:
                             sms_carrier = notification.SMSNotifier.get_carrier()
                             sms_carrier.send_sms((mobile_phone,), 'code is ' + code)
+                            return True
                         except Exception:
-                            logger.exception('failure in SMS background thread')
-                    thread = threading.Thread(target=send_sms, args=(mobile_phone, code))
-                    thread.start()
+                            logger.exception('unable to send SMS verification code %r to %r',
+                                    code, mobile_phone)
+                            self.request.record('error', 'unable to send SMS verification code {code} to {mobile_phone}',
+                                    mobile_phone=mobile_phone, code=code)
+                            return False
+                    if not send_sms(mobile_phone, code):
+                        raise ValidationError(_('Unable to send you the SMS code, try again.'))
                     self.fields['code'] = CharField(label='Code')
                     i = self.layout.fields.index('mobile_phone')
                     self.layout.fields.insert(i+1, 'code')
diff --git a/docbow_project/docbow/locale/fr/LC_MESSAGES/django.po b/docbow_project/docbow/locale/fr/LC_MESSAGES/django.po
index 7b65956..9f895c7 100644
--- a/docbow_project/docbow/locale/fr/LC_MESSAGES/django.po
+++ b/docbow_project/docbow/locale/fr/LC_MESSAGES/django.po
@@ -7,8 +7,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: docbow 1.0\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2013-09-12 18:30+0200\n"
-"PO-Revision-Date: 2013-09-12 18:30+0200\n"
+"POT-Creation-Date: 2013-09-13 19:00+0200\n"
+"PO-Revision-Date: 2013-09-13 19:01+0200\n"
 "Last-Translator: Benjamin Dauvergne <bdauvergne@entrouvert.com>\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -301,15 +301,20 @@ msgstr ""
 "code vous sera envoyé et il vous faudra valider une deuxième fois votre "
 "numéro avec le code."
 
-#: forms.py:457
+#: forms.py:458
+msgid "Unable to send you the SMS code, try again."
+msgstr "L'envoi du code de vérification de votre numéro mobile a échoué; "
+"veuillez ré-essayer plus tard."
+
+#: forms.py:462
 msgid "Enter code received by SMS"
 msgstr "Entrez le code reçu par SMS"
 
-#: forms.py:478
+#: forms.py:483
 msgid "E-mail or identifier"
 msgstr "E-mail ou nom d'utilisateur"
 
-#: forms.py:494
+#: forms.py:499
 msgid ""
 "That e-mail address or identifier doesn't have an associated user account. "
 "Are you sure you've registered?"
@@ -317,15 +322,15 @@ msgstr ""
 "Cette adresse email ou cet identifiant n'ont pas de compte utilisateur "
 "associé.Êtes-vous bien sûr d'être enregistré?"
 
-#: forms.py:512
+#: forms.py:517
 msgid "From"
 msgstr "De"
 
-#: forms.py:513 templates/docbow/message.html:34
+#: forms.py:518 templates/docbow/message.html:34
 msgid "To"
 msgstr "Destinataire(s)"
 
-#: forms.py:528
+#: forms.py:533
 msgid "From must be inferior or equal to To"
 msgstr "Le début de la période doit être inférieur ou égal à sa fin"