diff --git a/index.js b/index.js
index 9b7ff5d..1fd4b20 100644
--- a/index.js
+++ b/index.js
@@ -99,7 +99,7 @@ var defaultPluralRules = {
     chinese: ['id', 'id-ID', 'ja', 'ko', 'ko-KR', 'lo', 'ms', 'th', 'th-TH', 'zh'],
     croatian: ['hr', 'hr-HR'],
     german: ['fa', 'da', 'de', 'en', 'es', 'fi', 'el', 'he', 'hi-IN', 'hu', 'hu-HU', 'it', 'nl', 'no', 'pt', 'sv', 'tr'],
-    french: ['fr', 'tl', 'pt-br'],
+    french: ['fr', 'tl', 'pt-br', 'pt-BR'],
     russian: ['ru', 'ru-RU'],
     lithuanian: ['lt'],
     czech: ['cs', 'cs-CZ', 'sk'],