diff --git a/td/generate/tl_json_converter.cpp b/td/generate/tl_json_converter.cpp
index f88fff3f4..4ee27697b 100644
--- a/td/generate/tl_json_converter.cpp
+++ b/td/generate/tl_json_converter.cpp
@@ -224,11 +224,16 @@ void gen_json_converter_file(const tl::simple::Schema &schema, const std::string
   sb << "namespace td {\n";
   sb << "namespace td_api {\n";
   if (is_header) {
+    sb << "\nvoid to_json(JsonValueScope &jv, const tl_object_ptr<Object> &value);\n";
     sb << "\nStatus from_json(tl_object_ptr<Function> &to, td::JsonValue from);\n";
     sb << "\nvoid to_json(JsonValueScope &jv, const Object &object);\n";
     sb << "\nvoid to_json(JsonValueScope &jv, const Function &object);\n\n";
   } else {
     sb << R"ABCD(
+void to_json(JsonValueScope &jv, const tl_object_ptr<Object> &value) {
+  td::to_json(jv, std::move(value));
+}
+
 Status from_json(tl_object_ptr<Function> &to, td::JsonValue from) {
   return td::from_json(to, std::move(from));
 }