diff --git a/src/babel/transformation/transformers/other/regenerator.js b/src/babel/transformation/transformers/other/regenerator.js
index 957fc6af94..e7656aa6f0 100644
--- a/src/babel/transformation/transformers/other/regenerator.js
+++ b/src/babel/transformation/transformers/other/regenerator.js
@@ -7,4 +7,5 @@ export var metadata = {
 
 export function Program(ast) {
   regenerator.transform(ast);
+  this.stop();
 }