diff --git a/addons/web_editor/static/src/scss/web_editor.backend.scss b/addons/web_editor/static/src/scss/web_editor.backend.scss
index ceec29f2e5c..1b637f3a9ca 100644
--- a/addons/web_editor/static/src/scss/web_editor.backend.scss
+++ b/addons/web_editor/static/src/scss/web_editor.backend.scss
@@ -56,7 +56,7 @@
         bottom: 0 !important;
         width: 100% !important;
         min-height: 100% !important;
-        z-index: 1001 !important;
+        z-index: $zindex-modal-backdrop + 1 !important;
         border: 0;
     }
     .tooltip-field-info {