diff --git a/tdtl/td/tl/tl_config.cpp b/tdtl/td/tl/tl_config.cpp
index c42affd0a..8d2f442c2 100644
--- a/tdtl/td/tl/tl_config.cpp
+++ b/tdtl/td/tl/tl_config.cpp
@@ -40,7 +40,7 @@ void tl_config::add_type(tl_type *type) {
 }
 
 tl_type *tl_config::get_type(std::int32_t type_id) const {
-  auto it = id_to_type.find(type_id);
+  std::map<std::int32_t, tl_type *>::const_iterator it = id_to_type.find(type_id);
   assert(it != id_to_type.end());
   return it->second;
 }
diff --git a/tdtl/td/tl/tl_generate.cpp b/tdtl/td/tl/tl_generate.cpp
index 116cc1073..1747bc5f0 100644
--- a/tdtl/td/tl/tl_generate.cpp
+++ b/tdtl/td/tl/tl_generate.cpp
@@ -857,7 +857,7 @@ bool write_tl_to_file(const tl_config &config, const std::string &file_name, con
   tl_string_outputer out;
   write_tl(config, out, w);
 
-  auto old_file_contents = get_file_contents(file_name, "rb");
+  std::string old_file_contents = get_file_contents(file_name, "rb");
   if (!w.is_documentation_generated()) {
     old_file_contents = remove_documentation(old_file_contents);
   }
diff --git a/tdtl/td/tl/tl_generate.h b/tdtl/td/tl/tl_generate.h
index d33db4077..57cfaa3fe 100644
--- a/tdtl/td/tl/tl_generate.h
+++ b/tdtl/td/tl/tl_generate.h
@@ -18,6 +18,7 @@ namespace tl {
 void write_tl(const tl_config &config, tl_outputer &out, const TL_writer &w);
 
 tl_config read_tl_config_from_file(const std::string &file_name);
+
 bool write_tl_to_file(const tl_config &config, const std::string &file_name, const TL_writer &w);
 
 }  // namespace tl