diff --git a/mycaldav/models.py b/mycaldav/models.py
index b82994f..6ce8661 100644
--- a/mycaldav/models.py
+++ b/mycaldav/models.py
@@ -319,11 +319,14 @@ class cls_caldav_client():
             print(f"copy de l'événement: {event['SUMMARY']}")
 
 
+            _title = event["SUMMARY"] if ("SUMMARY" in event) else "Sans Titre"
+            _desc = event["DESCRIPTION"] if ("DESCRIPTION" in event) else ""
+
             my_event = calandar.save_event(
                 dtstart=event["DTSTART"].dt,
                 dtend=event["DTEND"].dt,
-                summary= event["SUMMARY"],
-                description=event["DESCRIPTION"],
+                summary= _title,
+                description= _desc,
             )
 
         with open(os.path.join("mycaldav", "last_sync_config.bin"), "wb") as file: