diff --git a/share/monetdef/Makefile b/share/monetdef/Makefile
index 7613ff9a73e3..b9bc7633e3d5 100644
--- a/share/monetdef/Makefile
+++ b/share/monetdef/Makefile
@@ -82,5 +82,7 @@ afterinstall:
 	ln -sf ../${CH_SRC}.ISO8859-1/LC_MONETARY \
 		${LOCALEDIR}/${link}.ISO8859-1/LC_MONETARY
 .endfor
+	ln -sf ../ja_JP.eucJP/LC_MONETARY \
+		${LOCALEDIR}/ja_JP.SJIS/LC_MONETARY
 
 .include <bsd.prog.mk>
diff --git a/share/msgdef/Makefile b/share/msgdef/Makefile
index 6dcd69e1d03f..18164f662f3d 100644
--- a/share/msgdef/Makefile
+++ b/share/msgdef/Makefile
@@ -38,6 +38,7 @@ LOCALES=	af_ZA.ISO8859-1 \
 		uk_UA.KOI8-U \
 		ko_KR.eucKR \
 		ja_JP.eucJP \
+		ja_JP.SJIS \
 		zh_TW.Big5 \
 		zh_CN.eucCN
 
diff --git a/share/msgdef/ja_JP.SJIS.src b/share/msgdef/ja_JP.SJIS.src
new file mode 100644
index 000000000000..8a209e5b8526
--- /dev/null
+++ b/share/msgdef/ja_JP.SJIS.src
@@ -0,0 +1,13 @@
+# $FreeBSD$
+#
+# XXX: ja_JP.SJIS contains english messages only. Someone familiar with
+# this locale is wanted to complete it!
+#
+# WARNING: spaces may be essential at the end of lines
+# WARNING: empty lines are essential too
+#
+# yesexpr
+^[yY].*
+# noexpr
+^[nN].*
+# EOF
diff --git a/share/numericdef/Makefile b/share/numericdef/Makefile
index 49a42c73f032..550ba443d122 100644
--- a/share/numericdef/Makefile
+++ b/share/numericdef/Makefile
@@ -114,5 +114,7 @@ afterinstall:
 	ln -sf ../${link}.ISO8859-1/LC_NUMERIC \
 		${LOCALEDIR}/${link}.US-ASCII/LC_NUMERIC
 .endfor
+	ln -sf ../ja_JP.eucJP/LC_NUMERIC \
+		${LOCALEDIR}/ja_JP.SJIS/LC_NUMERIC
 
 .include <bsd.prog.mk>