diff --git a/lib/generate/pdf/Index.js b/lib/generate/pdf/index.js
similarity index 98%
rename from lib/generate/pdf/Index.js
rename to lib/generate/pdf/index.js
index e3316333d..185eabd39 100644
--- a/lib/generate/pdf/Index.js
+++ b/lib/generate/pdf/index.js
@@ -53,4 +53,4 @@ Generator.prototype.finish = function() {
     });
 };
 
-module.exports = Generator;
\ No newline at end of file
+module.exports = Generator;