diff --git a/src/lib/methods.js b/src/lib/methods.js
index bcab9a40..674d588f 100644
--- a/src/lib/methods.js
+++ b/src/lib/methods.js
@@ -111,6 +111,8 @@ export function deserializeMethod(source, origin, obj) {
     }
 
     wrapper.__name__ = obj.__name__;
+    wrapper.__xdomain__ = true;
+
     wrapper.source = source;
     wrapper.origin = origin;