diff --git a/application/locale/fr_FR/LC_MESSAGES/messages.po b/application/locale/fr_FR/LC_MESSAGES/messages.po
index a114fec42..7bc9827fd 100644
--- a/application/locale/fr_FR/LC_MESSAGES/messages.po
+++ b/application/locale/fr_FR/LC_MESSAGES/messages.po
@@ -19,7 +19,7 @@ msgid ""
 msgstr ""
 "Report-Msgid-Bugs-To: translations@wavelog.org\n"
 "POT-Creation-Date: 2026-03-18 21:33+0000\n"
-"PO-Revision-Date: 2026-03-20 07:25+0000\n"
+"PO-Revision-Date: 2026-03-21 13:06+0000\n"
 "Last-Translator: JONCOUX Philippe <joncoux@free.fr>\n"
 "Language-Team: French <https://translate.wavelog.org/projects/wavelog/main-"
 "translation/fr/>\n"
@@ -20261,34 +20261,39 @@ msgstr "CQz geojson"
 
 #: application/controllers/Header_auth.php:22
 msgid "SSO Authentication is disabled."
-msgstr ""
+msgstr "L'authentification SSO est désactivée."
 
 #: application/controllers/Header_auth.php:36
 msgid "SSO Authentication is disabled. Check your configuration."
 msgstr ""
+"L'authentification SSO est désactivée. Veuillez vérifier votre configuration."
 
 #: application/controllers/Header_auth.php:89
 msgid "User not found."
-msgstr ""
+msgstr "Utilisateur introuvable."
 
 #: application/controllers/Header_auth.php:109
 msgid ""
 "Sorry. This instance is currently in maintenance mode. Only administrators "
 "are currently allowed to log in."
 msgstr ""
+"Désolé. Ce serveur est actuellement en maintenance. Seuls les "
+"administrateurs peuvent se connecter."
 
 #: application/controllers/Header_auth.php:341
 #: application/controllers/Header_auth.php:345
 msgid "Something went terribly wrong. Check the error log."
-msgstr ""
+msgstr "Une erreur grave s'est produite. Consultez le journal des erreurs."
 
 #: application/controllers/Header_auth.php:361
 msgid "SSO Config Error. Check error log."
-msgstr ""
+msgstr "Erreur de configuration SSO. Consultez le journal des erreurs."
 
 #: application/controllers/User.php:468
 msgid "Can't be changed. Manage this through your Identity Provider."
 msgstr ""
+"Impossible de modifier ce paramètre. Gérez-le via votre fournisseur "
+"d'identité."
 
 #~ msgid ""
 #~ "Cache is currently using the backup adapter because the primary is "