diff --git a/includes/iso.inc b/includes/iso.inc
index 0468be5f2304613bce5e389ba180822f8cecffd5..a316451084672c15df85386b48b3928eabd2a1f1 100644
--- a/includes/iso.inc
+++ b/includes/iso.inc
@@ -428,7 +428,7 @@ function _locale_get_predefined_list() {
     "se" => array("Northern Sami"),
     "sg" => array("Sango"),
     "sh" => array("Serbo-Croatian"),
-    "si" => array("Singhalese"),
+    "si" => array("Sinhala", "සිංහල"),
     "sk" => array("Slovak", "Slovenčina"),
     "sl" => array("Slovenian", "Slovenščina"),
     "sm" => array("Samoan"),