diff --git a/src/Umbraco.Web.UI.Client/src/less/rte.less b/src/Umbraco.Web.UI.Client/src/less/rte.less
index ed25ce4e90..522d387c93 100644
--- a/src/Umbraco.Web.UI.Client/src/less/rte.less
+++ b/src/Umbraco.Web.UI.Client/src/less/rte.less
@@ -140,6 +140,12 @@
     }
 }
 
+.tox {
+  &.tox-tinymce-aux {
+    z-index: 65535;
+  }
+}
+
 .tox-tinymce-inline {
   z-index: 999;
 }