diff --git a/mautrix_telegram/portal.py b/mautrix_telegram/portal.py
index a6a2c4c8..6b4b22ea 100644
--- a/mautrix_telegram/portal.py
+++ b/mautrix_telegram/portal.py
@@ -1038,6 +1038,7 @@ class Portal(DBPortal, BasePortal):
                 initial_state=initial_state,
                 creation_content=creation_content,
                 beeper_auto_join_invites=autojoin_invites,
+                room_version="11",
             )
             if not room_id:
                 raise Exception(f"Failed to create room")