diff --git a/src/components/structures/MessagePanel.js b/src/components/structures/MessagePanel.js
index cc72856fc4..2069255ea2 100644
--- a/src/components/structures/MessagePanel.js
+++ b/src/components/structures/MessagePanel.js
@@ -803,7 +803,7 @@ export default class MessagePanel extends React.Component {
             ircResizer = <IRCTimelineProfileResizer
                 minWidth={20}
                 maxWidth={600}
-                roomId={this.props.room ? this.props.roomroomId : null}
+                roomId={this.props.room ? this.props.room.roomId : null}
             />;
         }