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 7b459fd902..9aa59faa30 100644
--- a/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml
+++ b/en_US.ISO8859-1/books/porters-handbook/makefiles/chapter.xml
@@ -2747,7 +2747,7 @@ PATCHFILES=	patch1:test</programlisting>
 	<literal>${PKGNAMEPREFIX}${PORTNAME}</literal> are
 	fine).  This will change <varname>DISTDIR</varname> from the
 	default <filename>/usr/ports/distfiles</filename> to
-	<filename>/usr/ports/distfiles/DIST_SUBDIR</filename>, and in
+	<filename>/usr/ports/distfiles/${DIST_SUBDIR}</filename>, and in
 	effect puts everything that is required for the port into
 	that subdirectory.</para>