diff --git a/share/numericdef/Makefile b/share/numericdef/Makefile
index 45f853d56577..2dc12f8e0f24 100644
--- a/share/numericdef/Makefile
+++ b/share/numericdef/Makefile
@@ -107,7 +107,8 @@ ISO8859-5_CP1251= uk_UA
 ISO8859-7_UTF-8= el_GR
 ISO8859-9_UTF-8= tr_TR
 ISO8859-13_ISO8859-4= lt_LT
-ISO8859-13_UTF-8= lt_LT
+ISO8859-13_ISO8859-13= lt_LT:lv_LV
+ISO8859-13_UTF-8= lt_LT lt_LT:lv_LV
 ISO8859-15_UTF-8= et_EE
 KOI8-R_CP1251=	ru_RU
 KOI8-R_CP866=	ru_RU