diff --git a/src/Core.ts b/src/Core.ts
index 08602332..84018433 100644
--- a/src/Core.ts
+++ b/src/Core.ts
@@ -1,3 +1,4 @@
+import 'es6-symbol/implement';
 import * as traverson from 'traverson';
 import * as HalAdapter from 'traverson-hal';
 import * as halfred from 'halfred';