diff --git a/main/inc/lib/multibyte_string_functions.lib.php b/main/inc/lib/multibyte_string_functions.lib.php
index 6719c868e1..808c10ab1b 100644
--- a/main/inc/lib/multibyte_string_functions.lib.php
+++ b/main/inc/lib/multibyte_string_functions.lib.php
@@ -1061,7 +1061,7 @@ norwegian: ISO-8859-15, WINDOWS-1252, ISO-8859-1;
 persian: WINDOWS-1252;
 polish: ISO-8859-15, WINDOWS-1252, ISO-8859-1;
 portuguese: ISO-8859-15, WINDOWS-1252, ISO-8859-1;
-russian: WINDOWS-1251, KOI8-R;
+russian: KOI8-R, WINDOWS-1251;
 serbian: ISO-8859-15, WINDOWS-1252, ISO-8859-1;
 simpl_chinese: GB2312, WINDOWS-936;
 slovak: WINDOWS-1250;