diff --git a/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml b/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml
index d7ea8e3cc5..aa74af79ba 100644
--- a/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml
+++ b/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml
@@ -4034,7 +4034,7 @@ CONFIGURE_ARGS+=	--disable-test2
 
 	<para>When option <replaceable>OPT</replaceable> is selected,
 	  for each <replaceable>entry</replaceable> in
-	  <varname><replaceable>OPT</replaceable>_CONFIGURE_ENABLE</varname>
+	  <varname><replaceable>OPT</replaceable>_CONFIGURE_WITH</varname>
 	  then
 	  <literal>--with-<replaceable>entry</replaceable></literal>
 	  is appended to <varname>CONFIGURE_ARGS</varname>.  When