diff --git a/package-overrides/npm/zone.js@0.5.15.json b/package-overrides/npm/zone.js@0.5.15.json
index 9d10719..791118d 100644
--- a/package-overrides/npm/zone.js@0.5.15.json
+++ b/package-overrides/npm/zone.js@0.5.15.json
@@ -1,5 +1,6 @@
 {
   "main": "dist/zone.js",
+  "directories": {},
   "jspmNodeConversion":false,
   "shim": {
     "dist/zone": {