diff --git a/localedata/SUPPORTED b/localedata/SUPPORTED
index 93eba3ed5a..8773f1fd37 100644
--- a/localedata/SUPPORTED
+++ b/localedata/SUPPORTED
@@ -3,6 +3,7 @@
 # appropriate message.
 af_ZA ISO-8859-1
 ar_SA ISO-8859-6
+bg_BG CP1251
 ca_ES ISO-8859-1
 cs_CZ ISO-8859-2
 da_DK ISO-8859-1