diff --git a/web/react/components/post_list.jsx b/web/react/components/post_list.jsx
index 2839325fec..fd29a303ce 100644
--- a/web/react/components/post_list.jsx
+++ b/web/react/components/post_list.jsx
@@ -334,7 +334,7 @@ export default class PostList extends React.Component {
                     <div className='post-profile-img__container channel-intro-img'>
                         <img
                             className='post-profile-img'
-                            src={'/api/v1/users/' + teammate.id + '/image?time=' + teammate.update_at + '&' + utils.getSessionIndex()}
+                            src={'/api/v1/users/' + teammate.id + '/image?time=' + teammate.update_at + '&' + Utils.getSessionIndex()}
                             height='50'
                             width='50'
                         />