diff --git a/templates/zerver/app/index.html b/templates/zerver/app/index.html
index e6811a27e6..cf1ddf8c5f 100644
--- a/templates/zerver/app/index.html
+++ b/templates/zerver/app/index.html
@@ -119,7 +119,7 @@
                         <div id="alert-bar" class="alert-bar">
                             <div id="alert-bar-contents" class="alert-bar-contents">
                                 <div id="custom-alert-bar-content"></div>
-                                <i class="icon-vector-remove close-alert-icon"></i>
+                                <i class="fa fa-remove close-alert-icon" aria-hidden="true"></i>
                             </div>
                         </div>
                     </div>