diff --git a/localedata/SUPPORTED b/localedata/SUPPORTED
index c8f7a6a2f7..1b9f80da69 100644
--- a/localedata/SUPPORTED
+++ b/localedata/SUPPORTED
@@ -35,8 +35,8 @@ it_CH ISO-8859-1
 it_IT ISO-8859-1
 iw_IL ISO-8859-8
 kl_GL ISO-8859-1
-lt_LT BALTIC
-lv_LV BALTIC
+lt_LT ISO-8859-13
+lv_LV ISO-8859-13
 nl_BE ISO-8859-1
 nl_NL ISO-8859-1
 no_NO ISO-8859-1