diff --git a/services/web/frontend/stylesheets/app/editor.less b/services/web/frontend/stylesheets/app/editor.less
index f6c8d46755..9e59f566be 100644
--- a/services/web/frontend/stylesheets/app/editor.less
+++ b/services/web/frontend/stylesheets/app/editor.less
@@ -256,6 +256,7 @@ Ace
     height: 100%;
   }
   .spelling-highlight {
+    z-index: 3;
     position: absolute;
     background-image: url(/img/spellcheck-underline.png);
     @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {