--- a/doc/ja/Makefile
+++ b/doc/ja/Makefile
@@ -9,7 +9,7 @@ man: $(MAN)
 html: $(HTML)
 
 %: %.xml
-	xmlto man $*.xml
+	xmlto -x docbook.ja.xsl man $*.xml
 
 %.xml: %.txt
 	-asciidoc -d manpage -b docbook -f docbook.ja.conf $*.txt