diff --git a/index.js b/index.js
index <HASH>..<HASH> 100644
--- a/index.js
+++ b/index.js
@@ -23,6 +23,7 @@ module.exports = {
     }
 
     this.options.babel = {
+      loose: true,
       postTransformPlugins: [StripClassCallCheck]
     };
chore(babel): Switch to loose mode for perf (#<I>)