diff --git a/ext/v8/rr.cpp b/ext/v8/rr.cpp
index fb359ff..4c74257 100644
--- a/ext/v8/rr.cpp
+++ b/ext/v8/rr.cpp
@@ -115,9 +115,10 @@ Handle<Value> rr_rb2v8(VALUE value) {
     return True();
   case T_FALSE:
     return False();
+  case T_DATA:
+    return V8_Ref_Get<Value>(value);
   case T_OBJECT:
     return rr_reflect_rb_object(value);
-  case T_DATA:
   case T_CLASS:
   case T_ICLASS:
   case T_MODULE:
diff --git a/ext/v8/v8_func.cpp b/ext/v8/v8_func.cpp
index a21fc9f..3599d72 100644
--- a/ext/v8/v8_func.cpp
+++ b/ext/v8/v8_func.cpp
@@ -30,7 +30,7 @@ namespace {
         cxt.Dispose();
       }
     } else {
-      thisObject = V8_Ref_Get<Object>(recv);
+      thisObject = rr_rb2v8(recv)->ToObject();
     }
     int f_argc = argc - 1;
     Local<Value> arguments[f_argc];
diff --git a/lib/v8/to.rb b/lib/v8/to.rb
index 1b7beaa..d080d61 100644
--- a/lib/v8/to.rb
+++ b/lib/v8/to.rb
@@ -18,6 +18,7 @@ module V8
         when String then  C::String.new(value)
         when Proc   then  C::FunctionTemplate.new(&value).GetFunction()
         when Method then  C::FunctionTemplate.new(&value.to_proc).GetFunction()
+        when V8::Object then value.instance_variable_get(:@native)
         else
           value
         end