diff --git a/td/generate/tl_writer_dotnet.h b/td/generate/tl_writer_dotnet.h
index 62dd0b1d8..9829e2628 100644
--- a/td/generate/tl_writer_dotnet.h
+++ b/td/generate/tl_writer_dotnet.h
@@ -201,7 +201,7 @@ class TlWriterDotNet final : public TL_writer {
   }
 
   std::string gen_class_begin(const std::string &class_name, const std::string &base_class_name,
-                              bool is_proxy) const final {
+                              bool is_proxy, const tl::tl_tree *result) const final {
     if (!is_header_) {
       return "";
     }
diff --git a/td/generate/tl_writer_jni_cpp.cpp b/td/generate/tl_writer_jni_cpp.cpp
index 330194e62..d0a83c3d0 100644
--- a/td/generate/tl_writer_jni_cpp.cpp
+++ b/td/generate/tl_writer_jni_cpp.cpp
@@ -57,7 +57,7 @@ std::string TD_TL_writer_jni_cpp::gen_base_tl_class_name() const {
 }
 
 std::string TD_TL_writer_jni_cpp::gen_class_begin(const std::string &class_name, const std::string &base_class_name,
-                                                  bool is_proxy) const {
+                                                  bool is_proxy, const tl::tl_tree *result) const {
   return "\n"
          "jclass " +
          class_name + "::Class;\n";
diff --git a/td/generate/tl_writer_jni_cpp.h b/td/generate/tl_writer_jni_cpp.h
index 18e47afe9..6dc4ebd0f 100644
--- a/td/generate/tl_writer_jni_cpp.h
+++ b/td/generate/tl_writer_jni_cpp.h
@@ -55,7 +55,7 @@ class TD_TL_writer_jni_cpp final : public TD_TL_writer_cpp {
   std::string gen_base_tl_class_name() const final;
 
   std::string gen_class_begin(const std::string &class_name, const std::string &base_class_name,
-                              bool is_proxy) const final;
+                              bool is_proxy, const tl::tl_tree *result) const final;
 
   std::string gen_field_definition(const std::string &class_name, const std::string &type_name,
                                    const std::string &field_name) const final;
diff --git a/td/generate/tl_writer_jni_h.cpp b/td/generate/tl_writer_jni_h.cpp
index 592b7c74e..def5dd7b7 100644
--- a/td/generate/tl_writer_jni_h.cpp
+++ b/td/generate/tl_writer_jni_h.cpp
@@ -126,7 +126,7 @@ std::string TD_TL_writer_jni_h::gen_output_begin() const {
 }
 
 std::string TD_TL_writer_jni_h::gen_class_begin(const std::string &class_name, const std::string &base_class_name,
-                                                bool is_proxy) const {
+                                                bool is_proxy, const tl::tl_tree *result) const {
   if (class_name == gen_base_tl_class_name()) {
     return "class " + class_name +
            " {\n"
diff --git a/td/generate/tl_writer_jni_h.h b/td/generate/tl_writer_jni_h.h
index 97059f788..3c7b117fb 100644
--- a/td/generate/tl_writer_jni_h.h
+++ b/td/generate/tl_writer_jni_h.h
@@ -35,7 +35,7 @@ class TD_TL_writer_jni_h final : public TD_TL_writer_h {
   std::string gen_output_begin() const final;
 
   std::string gen_class_begin(const std::string &class_name, const std::string &base_class_name,
-                              bool is_proxy) const final;
+                              bool is_proxy, const tl::tl_tree *result) const final;
 
   std::string gen_field_definition(const std::string &class_name, const std::string &type_name,
                                    const std::string &field_name) const final;