diff --git a/HsH-classes.dtx b/HsH-classes.dtx
index 3ad032e1fb14bdd83f46c6a6b88f921a9ebbf42d..b0dcaf21775576f59ab7be765d2220fb53bf5f67 100644
--- a/HsH-classes.dtx
+++ b/HsH-classes.dtx
@@ -293,7 +293,7 @@
 % all stuff is pushed to the top of the page ingenerall
 \raggedbottom
 % rulers when using draft disabled
-\renewcommand{\layercontentsmeasure}{\@empty}
+\let\layercontentsmeasure\relax
 
 %<*report>
 % these commands are only defined for the book class, but they also make sens for the report class: