diff --git a/changelog.d/17033.bugfix b/changelog.d/17033.bugfix
new file mode 100644
index 000000000..407ec83b3
--- /dev/null
+++ b/changelog.d/17033.bugfix
@@ -0,0 +1 @@
+Fix server notice rooms not always being created as unencrypted rooms, even when `encryption_enabled_by_default_for_room_type` is in use (server notices are always unencrypted).
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 8b5ffb135..5e81a5163 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -956,6 +956,7 @@ class RoomCreationHandler:
             room_alias=room_alias,
             power_level_content_override=power_level_content_override,
             creator_join_profile=creator_join_profile,
+            ignore_forced_encryption=ignore_forced_encryption,
         )
 
         # we avoid dropping the lock between invites, as otherwise joins can