diff --git a/lib/moduleEnv.js b/lib/moduleEnv.js
index febc792..a9f410a 100644
--- a/lib/moduleEnv.js
+++ b/lib/moduleEnv.js
@@ -78,7 +78,8 @@ function jsExtension(module, filename) {
         content = babelCore.transform(content, {
             plugins: [require.resolve("babel-plugin-transform-es2015-block-scoping")],
             retainLines: true,
-            filename: filename
+            filename: filename,
+            babelrc: false
         }).code;
         _compile.call(module, content, filename);
     };
diff --git a/testLib/.babelrc b/testLib/.babelrc
new file mode 100644
index 0000000..aeba5dc
--- /dev/null
+++ b/testLib/.babelrc
@@ -0,0 +1,4 @@
+{
+    "presets": ["es2015"],
+    "plugins": ["transform-class-properties"]
+}