2 files changed, 2 insertions, 0 deletions
diff --git a/changelog.d/4608.bugfix b/changelog.d/4608.bugfix
new file mode 100644
index 0000000000..e331a362c4
--- /dev/null
+++ b/changelog.d/4608.bugfix
@@ -0,0 +1 @@
+Transfer Server ACLs on room upgrade.
\ No newline at end of file
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 5e40e9ea46..f9af1f0046 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -284,6 +284,7 @@ class RoomCreationHandler(BaseHandler):
             (EventTypes.GuestAccess, ""),
             (EventTypes.RoomAvatar, ""),
             (EventTypes.Encryption, ""),
+            (EventTypes.ServerACL, ""),
         )
 
         old_room_state_ids = yield self.store.get_filtered_current_state_ids(