diff --git a/app/assets/stylesheets/actiontext-lexical.css b/app/assets/stylesheets/actiontext-lexical.css
index f68c1c833..27e1286a2 100644
--- a/app/assets/stylesheets/actiontext-lexical.css
+++ b/app/assets/stylesheets/actiontext-lexical.css
@@ -157,6 +157,7 @@
     min-inline-size: var(--lexical-prompt-min-width);
     padding: var(--lexical-prompt-padding);
     visibility: hidden;
+    z-index: var(--z-popup);
   }
 
   .lexical-prompt-menu--visible {