diff --git a/index.js b/index.js
index 5151d96..d17eda5 100644
--- a/index.js
+++ b/index.js
@@ -28,7 +28,7 @@ Babelify.prototype._flush = function (callback) {
       this.emit("error", err);
     } else {
       this.emit("babelify", result, this._filename);
-      var code = result.code;
+      var code = result !== null ? result.code : this._data;
       this.push(code);
       callback();
     }