diff --git a/gulpfile.js b/gulpfile.js
index ee3c7aa47..9b9d2e637 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -793,7 +793,7 @@ function getLocalePaths(l) {
   var codes = getLocaleCodes(l);
 
   function getPath(l) {
-    return path.join('lib', 'locales', l.toLowerCase() + '.js');
+    return path.join('lib', 'locales', l + '.js');
   }
 
   codes.forEach(function(n) {