diff --git a/js/src/vm/GlobalObject.h b/js/src/vm/GlobalObject.h
index 992a7e88ab5..c57097b3322 100644
--- a/js/src/vm/GlobalObject.h
+++ b/js/src/vm/GlobalObject.h
@@ -363,9 +363,9 @@ class GlobalObject : public JSObject
     }
 
     bool hasIntrinsicFunction(JSContext *cx, PropertyName *name) {
-        RootedObject holder(cx, &getSlotRef(INTRINSICS).toObject());
+        Rooted<GlobalObject *> self(cx, this);
         Value fun = NullValue();
-        return HasDataProperty(cx, holder, NameToId(name), &fun);
+        return HasDataProperty(cx, self, NameToId(name), &fun);
     }
 
     bool getIntrinsicValue(JSContext *cx, PropertyName *name, MutableHandleValue value) {