diff --git a/test/asset/set.js b/test/asset/set.js
index 7a921c8f8..3d1e88b3f 100644
--- a/test/asset/set.js
+++ b/test/asset/set.js
@@ -14,7 +14,7 @@
 
   /** Detect free variable `global` from Node.js or Browserified code and use it as `root` */
   var freeGlobal = objectTypes[typeof global] && global;
-  if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal)) {
+  if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal || freeGlobal.self === freeGlobal)) {
     root = freeGlobal;
   }