diff --git a/src/text-editor-component.js b/src/text-editor-component.js
index bb1ee2e9d..afbacca82 100644
--- a/src/text-editor-component.js
+++ b/src/text-editor-component.js
@@ -2979,6 +2979,7 @@ class LinesTileComponent {
 
     return $.div(
       {
+        className: 'highlights',
         style: {
           position: 'absolute',
           contain: 'strict',