diff --git a/en_US.ISO8859-1/books/porters-handbook/book.xml b/en_US.ISO8859-1/books/porters-handbook/book.xml
index 9517cb7cec..f4911631a2 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.xml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.xml
@@ -18,7 +18,7 @@
       <corpauthor>The FreeBSD Documentation Project</corpauthor>
     </authorgroup>
 
-    <pubdate>April 2000</pubdate>
+    <pubdate>$FreeBSD$</pubdate>
 
     <copyright>
       <year>2000</year>