diff --git a/lib/babel-build.js b/lib/babel-build.js
index 295ae7682b5..a66b5d49cc5 100644
--- a/lib/babel-build.js
+++ b/lib/babel-build.js
@@ -26,7 +26,9 @@ function babelOptions(libraryName, _options) {
     getModuleId: function (name) {
       return name.replace(/\/index$/g, '');
     },
-    resolveModuleSource: moduleResolve
+    resolveModuleSource: function(source, fileName) {
+      return moduleResolve.call(this, source, libraryName + '/' + fileName);
+    }
   };
 
   Object.keys(_options).forEach(function(opt) {