diff --git a/lib/6to5/polyfill.js b/lib/6to5/polyfill.js
index f6253cf6e9..56142ab93b 100644
--- a/lib/6to5/polyfill.js
+++ b/lib/6to5/polyfill.js
@@ -30,7 +30,7 @@ if (typeof Symbol === "undefined") {
 }
 
 require("es6-shim");
-require("./transformation/transformers/es6-generators/runtime");
+require("regenerator/runtime");
 
 ensureSymbol("species");