diff --git a/src/components/views/dialogs/CreateRoomDialog.js b/src/components/views/dialogs/CreateRoomDialog.js
index 10415680a7..b462230c24 100644
--- a/src/components/views/dialogs/CreateRoomDialog.js
+++ b/src/components/views/dialogs/CreateRoomDialog.js
@@ -34,6 +34,7 @@ export default createReactClass({
             isPublic: false,
             name: "",
             topic: "",
+            detailsOpen: false,
             noFederate: config.default_federate === false,
             nameIsValid: false,
         };