diff --git a/mycaldav/models.py b/mycaldav/models.py
index 5786d10..dfaf59e 100644
--- a/mycaldav/models.py
+++ b/mycaldav/models.py
@@ -39,8 +39,9 @@ class caldav_sync_manager(models.Model):
 
         self.a_task = data.calendar(cal_id=caldav_id["task"])
 
-    def set_today_as_synced(self):
-        o_new_manager = caldav_sync_manager()        
+    def set_today_as_synced(self, date):
+        o_new_manager = caldav_sync_manager()
+        o_new_manager.dtDate = date        
         o_new_manager.save()
 
     def init_task_management(self):
@@ -57,12 +58,7 @@ class caldav_sync_manager(models.Model):
         print(f"test du mois précédant: {last_month.strftime("%d/%m/%Y")}")
         o_caldav_sync_management = caldav_sync_manager.objects.filter(dtDate=last_month.date())
         if not o_caldav_sync_management.exists():
-            self.copy_caldav_data(last_month)
-            o_new_manager = caldav_sync_manager() 
-            o_new_manager.dtDate = last_month
-            o_new_manager.save()
-            o_new_manager.dtDate = last_month 
-            o_new_manager.save()
+            self.copy_caldav_data(last_month)            
             print(f"synced events")        
         else:
             print("Mois précédant: pas de copy, sync déjà fait")
@@ -101,7 +97,7 @@ class caldav_sync_manager(models.Model):
                 summary= _title,
                 description= _desc,
             )
-        self.set_today_as_synced()
+        self.set_today_as_synced(today)