diff --git a/ruthesis.sty b/ruthesis.sty
index 7b3d98e..db8844f 100644
--- a/ruthesis.sty
+++ b/ruthesis.sty
@@ -336,7 +336,7 @@ in this publication does not imply, even in the absence of a specific statement
 
 
 %%%%%%%%%% Metadata for pdf file %%%%%%%%%%%%%%%%%%%%%%
-\AddToHook{beforedocument/before}{%
+\AddToHook{begindocument/before}{%
   %% package hyperref needs to be last, so we use a hook
   \PassOptionsToPackage{hidelinks}{hyperref}%disable boxes around links
   \RequirePackage{hyperref}