diff --git a/package-overrides/github/WickyNilliams/headroom.js@0.7.0.json b/package-overrides/github/WickyNilliams/headroom.js@0.7.0.json
index f1a0e0b..7cb8571 100644
--- a/package-overrides/github/WickyNilliams/headroom.js@0.7.0.json
+++ b/package-overrides/github/WickyNilliams/headroom.js@0.7.0.json
@@ -3,5 +3,11 @@
   "directories": {
     "lib": "dist"
   },
+  "format": "global",
+  "shim": {
+    "headroom": {
+      "exports": "Headroom"
+    }
+  },
   "registry": "jspm"
 }