diff --git a/app/scodoc/sco_utils.py b/app/scodoc/sco_utils.py
index 6d25e0d43..6b5c8c05e 100644
--- a/app/scodoc/sco_utils.py
+++ b/app/scodoc/sco_utils.py
@@ -221,7 +221,8 @@ def localize_datetime(date: datetime.datetime or str) -> datetime.datetime:
         date = is_iso_formated(date, convert=True)
 
     new_date: datetime.datetime = date
-    new_date = timezone("Europe/Paris").localize(date)
+    if new_date.tzinfo is None:
+        new_date = timezone("Europe/Paris").localize(date)
     return new_date