diff --git a/kfet/views.py b/kfet/views.py
index 3a497111..e59720c0 100644
--- a/kfet/views.py
+++ b/kfet/views.py
@@ -2507,7 +2507,7 @@ class AccountStatOperationList(UserAccountMixin, SingleResumeStat):
             (
                 "Tout le temps",
                 MonthScale,
-                {"last": True, "begin": self.object.created_at},
+                {"last": True, "begin": self.object.created_at.replace(tzinfo=None)},
                 False,
             ),
             ("1 an", MonthScale, {"last": True, "n_steps": 12}, False),