diff --git a/app/views/layouts/embed.html.erb b/app/views/layouts/embed.html.erb
index 4dfa215bf6..975a5b8767 100644
--- a/app/views/layouts/embed.html.erb
+++ b/app/views/layouts/embed.html.erb
@@ -5,7 +5,7 @@
 
     <%= discourse_stylesheet_link_tag 'embed', theme_key: nil %>
     <%- unless customization_disabled? %>
-      <%= Theme.custom_stylesheet(session[:preview_style], :embedded) %>
+      <%= discourse_stylesheet_link_tag  :embedded_theme %>
     <%- end %>
     <%= javascript_include_tag 'break_string' %>