diff --git a/lib/utils.js b/lib/utils.js
index 5d1ce74..ecd3d33 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -114,9 +114,10 @@ function fixFileExtension(filepath, files, onlyScriptsExportingFunction) {
   var otherFile;
 
   /* Prefer coffee scripts over json */
+  //TODO: Warning : can not laod script for the registered file extenstions.
   if (isPreferredExtension(filepath)) return filepath;
 
-  var basename = path.basename(filepath, FILE_EXTENSION_JSON);
+  var basename = path.basename(filepath, path.extname(filepath));
   var sourceDir = path.dirname(filepath);
 
   files.forEach(function(f) {