diff --git a/src/components/views/rooms/RoomPreviewBar.js b/src/components/views/rooms/RoomPreviewBar.js
index f3201d2a3d..89b493595f 100644
--- a/src/components/views/rooms/RoomPreviewBar.js
+++ b/src/components/views/rooms/RoomPreviewBar.js
@@ -494,7 +494,7 @@ export default class RoomPreviewBar extends React.Component {
                 }
 
                 const myUserId = MatrixClientPeg.get().getUserId();
-                const memberEventContent = this.props.room.currentState.getMember(myUserId).events.member.event.content;
+                const memberEventContent = this.props.room.currentState.getMember(myUserId).events.member.getContent();
 
                 if (memberEventContent.reason) {
                     reasonElement = <InviteReason