diff --git a/webapp/components/file_attachment_list.jsx b/webapp/components/file_attachment_list.jsx
index 3d39d87090..472cd2686e 100644
--- a/webapp/components/file_attachment_list.jsx
+++ b/webapp/components/file_attachment_list.jsx
@@ -50,7 +50,7 @@ export default class FileAttachmentList extends React.Component {
 
         return (
             <div>
-                <div className='post-image__columns'>
+                <div className='post-image__columns clearfix'>
                     {postFiles}
                 </div>
                 <ViewImageModal