diff --git a/lib/OpenLayers/Lang/pt-BR.js b/lib/OpenLayers/Lang/pt-BR.js
index e7e75110eb..60e6779c81 100644
--- a/lib/OpenLayers/Lang/pt-BR.js
+++ b/lib/OpenLayers/Lang/pt-BR.js
@@ -13,7 +13,7 @@
  *     <OpenLayers.Lang.translate>.  Entry bodies are normal strings or
  *     strings formatted for use with <OpenLayers.String.format> calls.
  */
-OpenLayers.Lang["pt-br"] = OpenLayers.Util.applyDefaults({
+OpenLayers.Lang["pt-BR"] = OpenLayers.Util.applyDefaults({
 
     'unhandledRequest': "A requisição retornou um erro não tratado: ${statusText}",