diff --git a/weboob/backends/minutes20/backend.py b/weboob/backends/minutes20/backend.py
index 0fc6ae67..9c4c7c62 100644
--- a/weboob/backends/minutes20/backend.py
+++ b/weboob/backends/minutes20/backend.py
@@ -60,7 +60,7 @@ class Newspaper20minutesBackend(BaseBackend, ICapMessages):
 
         #thread.root = Message(thread=thread, id=0, title=content.title, sender=content.author, receivers=None, date=thread.date, parent=None, content=content.body, signature=None, children = [], flags=flags)
 
-        thread.root = Message(thread=thread, id=0, title=content.title, sender=content.author, receivers=None, date=thread.date, parent=None, content=content.body, flags=flags)
+        thread.root = Message(thread=thread, id=0, title=content.title, sender=content.author, receivers=None, date=thread.date, parent=None, content=content.body, flags=flags, children= [])
         return thread