diff --git a/etc/locale.alias b/etc/locale.alias
index 3ddc05e4b93..fea3f7004ee 100644
--- a/etc/locale.alias
+++ b/etc/locale.alias
@@ -1,4 +1,4 @@
-ascii		lt_LN.ASCII
-us-ascii	lt_LN.ASCII
-ru_RU.KOI8-R    ru_SU.KOI8-R
-ru_RU.CP866     ru_SU.CP866
+ASCII		lt_LN.ASCII
+US-ASCII	lt_LN.ASCII
+ru_RU.KOI8-R	ru_SU.KOI8-R
+ru_RU.CP866	ru_SU.CP866