diff --git a/ja_JP.eucJP/man/Makefile b/ja_JP.eucJP/man/Makefile
index 06d899a231..3c00a2f3f9 100644
--- a/ja_JP.eucJP/man/Makefile
+++ b/ja_JP.eucJP/man/Makefile
@@ -1,11 +1,11 @@
 # $FreeBSD$
 
 PREFIX?=	/usr/share
-SUBDIR=	man1 man2 man3 man4 man5 man6 man7 man8 man9
+SUBDIR?=	man1 man2 man3 man4 man5 man6 man7 man8 man9
 
 makedb:
 	LANG=ja_JP.EUC jmakewhatis ${DESTDIR}${PREFIX}/man/ja/
 
 package:
 
 .include <bsd.subdir.mk>