diff --git a/src/components/views/rooms/RoomPreviewBar.js b/src/components/views/rooms/RoomPreviewBar.js
index cbc44d0933..ac52f60347 100644
--- a/src/components/views/rooms/RoomPreviewBar.js
+++ b/src/components/views/rooms/RoomPreviewBar.js
@@ -238,9 +238,9 @@ module.exports = React.createClass({
             params: {
                 email: this.props.invitedEmail,
                 signurl: this.props.signUrl,
-                room_name: this.props.oobData.room_name,
-                room_avatar_url: this.props.oobData.avatarUrl,
-                inviter_name: this.props.oobData.inviterName,
+                room_name: this.props.oobData ? this.props.oobData.room_name : null,
+                room_avatar_url: this.props.oobData ? this.props.oobData.avatarUrl : null,
+                inviter_name: this.props.oobData ? this.props.oobData.inviterName : null,
             }
         };
     },