diff --git a/include/ircd/js/trap.h b/include/ircd/js/trap.h
index ca1e673e2..6a9b38f02 100644
--- a/include/ircd/js/trap.h
+++ b/include/ircd/js/trap.h
@@ -83,7 +83,7 @@ class trap
 	operator const JSClass &() const             { return jsclass();                               }
 	operator const JSClass *() const             { return &jsclass();                              }
 
-	object operator()(const object &parent = {}, const object &parent_proto = {});
+	template<class... args> object operator()(const object &parent, args&&...);
 
 	trap(const std::string &path, const uint32_t &flags = 0);
 	trap(trap &&) = delete;
@@ -93,5 +93,24 @@ class trap
 
 extern __thread trap *tree;
 
+template<class... args>
+object
+trap::operator()(const object &parent,
+                 args&&... a)
+{
+	object proto(JS_InitClass(*cx,
+	                          parent,
+	                          object{},
+	                          _class.get(),
+	                          nullptr,
+	                          0,
+	                          ps,
+	                          fs,
+	                          nullptr,
+	                          nullptr));
+
+	return JS_New(*cx, proto, vector<value>{std::forward<args>(a)...});
+}
+
 } // namespace js
 } // namespace ircd
diff --git a/ircd/js.cc b/ircd/js.cc
index d04442c46..013b0368a 100644
--- a/ircd/js.cc
+++ b/ircd/js.cc
@@ -472,24 +472,6 @@ catch(const std::exception &e)
 	throw;
 }
 
-ircd::js::object
-ircd::js::trap::operator()(const object &parent,
-                           const object &parent_proto)
-{
-	object proto(JS_InitClass(*cx,
-	                          parent,
-	                          parent_proto,
-	                          _class.get(),
-	                          nullptr,
-	                          0,
-	                          ps,
-	                          fs,
-	                          nullptr,
-	                          nullptr));
-
-	return JS_New(*cx, proto, JS::HandleValueArray::empty());
-}
-
 ircd::js::trap &
 ircd::js::trap::find(const std::string &path)
 {