diff --git a/ihatemoney/forms.py b/ihatemoney/forms.py
index 79500715..0e20caff 100644
--- a/ihatemoney/forms.py
+++ b/ihatemoney/forms.py
@@ -74,9 +74,9 @@ class ProjectForm(EditProjectForm):
     def validate_id(form, field):
         form.id.data = slugify(field.data)
         if (form.id.data == "dashboard") or Project.query.get(form.id.data):
-            message = _("A project with this identifier (\"%s\") already exists. "
+            message = _("A project with this identifier (\"%(project)s\") already exists. "
                         "Please create a new identifier that you will be able "
-                        "to remember" % form.id.data)
+                        "to remember", project=form.id.data)
             raise ValidationError(Markup(message))
 
 
diff --git a/ihatemoney/messages.pot b/ihatemoney/messages.pot
index bc8a8f39..643cf3a3 100644
--- a/ihatemoney/messages.pot
+++ b/ihatemoney/messages.pot
@@ -13,11 +13,10 @@ msgstr ""
 msgid "Create the project"
 msgstr ""
 
+#, python-format
 msgid ""
-"The project identifier is used to log in and for the URL of the project. "
-"We tried to generate an identifier for you but a project with this "
-"identifier already exists. Please create a new identifier that you will "
-"be able to remember"
+"A project with this identifier (\"%(project)s\") already exists. Please "
+"create a new identifier that you will be able to remember"
 msgstr ""
 
 msgid "Get in"
diff --git a/ihatemoney/translations/fr/LC_MESSAGES/messages.mo b/ihatemoney/translations/fr/LC_MESSAGES/messages.mo
index 3fa8d8f4..2fe8343b 100644
Binary files a/ihatemoney/translations/fr/LC_MESSAGES/messages.mo and b/ihatemoney/translations/fr/LC_MESSAGES/messages.mo differ
diff --git a/ihatemoney/translations/fr/LC_MESSAGES/messages.po b/ihatemoney/translations/fr/LC_MESSAGES/messages.po
index ccab28b1..a3236803 100644
--- a/ihatemoney/translations/fr/LC_MESSAGES/messages.po
+++ b/ihatemoney/translations/fr/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2018-07-16 23:26+0200\n"
+"POT-Creation-Date: 2018-08-05 20:54+0200\n"
 "PO-Revision-Date: 2018-05-15 22:00+0200\n"
 "Last-Translator: Adrien CLERC <>\n"
 "Language: fr\n"
@@ -16,7 +16,7 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 2.5.3\n"
+"Generated-By: Babel 2.6.0\n"
 
 msgid "Project name"
 msgstr "Nom de projet"
@@ -33,16 +33,12 @@ msgstr "Identifiant du projet"
 msgid "Create the project"
 msgstr "Créer le projet"
 
+#, python-format
 msgid ""
-"The project identifier is used to log in and for the URL of the project. "
-"We tried to generate an identifier for you but a project with this "
-"identifier already exists. Please create a new identifier that you will "
-"be able to remember"
-msgstr ""
-"L’identifiant du projet est utilisé pour se connecter et pour l’URL du "
-"projet. Nous avons essayé de générer un identifiant mais celui ci existe "
-"déjà. Merci de créer un nouvel identifiant que vous serez capable de "
-"retenir"
+"A project with this identifier (\"%(project)s\") already exists. Please "
+"create a new identifier that you will be able to remember"
+msgstr "Un projet avec l'identifiant « %(project)s » existe déjà. Essayez "
+"avec un autre identifiant que vous pourrez retenir facilement."
 
 msgid "Get in"
 msgstr "Entrer"
@@ -456,36 +452,3 @@ msgstr "A dépensé"
 
 msgid "Balance"
 msgstr "Solde"
-
-#~ msgid ""
-#~ "The project identifier is used to "
-#~ "log in and for the URL of "
-#~ "the project. We tried to generate "
-#~ "an identifier for you but a "
-#~ "project with this identifier already "
-#~ "exists. Please create a new identifier"
-#~ " that you will be able to "
-#~ "remember."
-#~ msgstr ""
-#~ "L’identifiant du projet est utilisé pour"
-#~ " se connecter.Nous avons essayé de "
-#~ "générer un identifiant mais celui ci "
-#~ "existe déjà. Merci de créer un "
-#~ "nouvel identifiant que vous serez "
-#~ "capable de retenir"
-
-#~ msgid "Start date"
-#~ msgstr "Date de départ"
-
-#~ msgid "End date"
-#~ msgstr "Date de fin"
-
-#~ msgid "\"No token provided\""
-#~ msgstr "Aucun token n’a été fourni."
-
-#~ msgid "User '%(name)s' has been deactivated"
-#~ msgstr "Le membre '%(name)s' a été désactivé"
-
-#~ msgid "Invite"
-#~ msgstr "Invitez"
-