diff --git a/en_US.ISO8859-1/books/porters-handbook/special/chapter.xml b/en_US.ISO8859-1/books/porters-handbook/special/chapter.xml
index 17e3139c1e..234d3b8356 100644
--- a/en_US.ISO8859-1/books/porters-handbook/special/chapter.xml
+++ b/en_US.ISO8859-1/books/porters-handbook/special/chapter.xml
@@ -5177,7 +5177,7 @@ USE_XFCE=	libexo libmenu libutil panel</programlisting>
 
 	<tbody>
 	  <row>
-	    <entry>USE_BDB</entry>
+	    <entry><varname>USE_BDB</varname></entry>
 	    <entry>Obsolete.  Replaced by <link
 		linkend="uses-bdb"><literal>USES=bdb</literal></link></entry>
 	  </row>