diff --git a/package-overrides/npm/mocha@1.17.1.json b/package-overrides/npm/mocha@1.17.1.json
index 139e799..06b79f0 100644
--- a/package-overrides/npm/mocha@1.17.1.json
+++ b/package-overrides/npm/mocha@1.17.1.json
@@ -1,9 +1,9 @@
 {
   "browser": "mocha",
-  "registry": null,
+  "registry": false,
   "shim": {
     "mocha": {
-      "imports": "./mocha.css!",
+      "deps": ["./mocha.css!"],
       "exports": "mocha"
     }
   }