diff --git a/styles/perplexity/catppuccin.user.css b/styles/perplexity/catppuccin.user.css
index de5344de31..a7a5f9c4b0 100644
--- a/styles/perplexity/catppuccin.user.css
+++ b/styles/perplexity/catppuccin.user.css
@@ -155,7 +155,7 @@
     }
   }
 
-  :root[class="dark"] {
+  :root.dark {
     #catppuccin(@darkFlavor, @accentColor);
   }
   :root {