diff --git a/Lib/javascript/v8/javascriptcode.swg b/Lib/javascript/v8/javascriptcode.swg
index 003658613..ef3d1f896 100644
--- a/Lib/javascript/v8/javascriptcode.swg
+++ b/Lib/javascript/v8/javascriptcode.swg
@@ -133,7 +133,7 @@ void $jswrapper(v8::Persistent< v8::Value > object, void *parameter) {
   SWIGV8_Proxy* proxy = (SWIGV8_Proxy*) parameter;
   if(proxy->swigCMemOwn && proxy->swigCObject) {
 //    std::cout << "Deleting wrapped instance: " << proxy->info->name << std::endl;
-    $jstype arg1 = ($jstype)t->swigCObject;
+    $jstype arg1 = ($jstype)proxy->swigCObject;
     ${destructor_action}
   }
   delete proxy;