diff --git a/packages/babel-core/src/transform-file.js b/packages/babel-core/src/transform-file.js
index 71f576be09..d09ddaef09 100644
--- a/packages/babel-core/src/transform-file.js
+++ b/packages/babel-core/src/transform-file.js
@@ -25,7 +25,7 @@ export default function transformFile(
     try {
       result = runTransform(config, code);
     } catch (_err) {
-      return callback(err, null);
+      return callback(_err, null);
     }
     callback(null, result);
   });