diff --git a/riot.im/develop/config.json b/riot.im/develop/config.json
index de3face7c6..b31fad8324 100644
--- a/riot.im/develop/config.json
+++ b/riot.im/develop/config.json
@@ -21,6 +21,7 @@
         "feature_mjolnir": "labs",
         "feature_dm_verification": "labs",
         "feature_cross_signing": "enable",
+        "feature_invite_only_padlocks": "enable",
         "feature_event_indexing": "disable",
         "feature_bridge_state": "labs",
         "feature_presence_in_room_list": "labs"