diff --git a/benchmark/bench_misc.cpp b/benchmark/bench_misc.cpp
index 5ef9cd4b4..2142a8e51 100644
--- a/benchmark/bench_misc.cpp
+++ b/benchmark/bench_misc.cpp
@@ -96,7 +96,7 @@ BENCH(ToStringIntBig, "to_string<int> big") {
 BENCH(TlToStringUpdateFile, "TL to_string updateFile") {
   auto x = td::td_api::make_object<td::td_api::updateFile>(get_file_object());
 
-  td::uint32 res = 0;
+  std::size_t res = 0;
   for (int i = 0; i < n; i++) {
     res += to_string(x).size();
   }
@@ -119,7 +119,7 @@ BENCH(TlToStringMessage, "TL to_string message") {
   x->content_ = td::td_api::make_object<td::td_api::messagePhoto>(
       std::move(photo), td::td_api::make_object<td::td_api::formattedText>(), false, false);
 
-  td::uint32 res = 0;
+  std::size_t res = 0;
   for (int i = 0; i < n; i++) {
     res += to_string(x).size();
   }
diff --git a/test/message_entities.cpp b/test/message_entities.cpp
index 0d71db872..0de6c1faf 100644
--- a/test/message_entities.cpp
+++ b/test/message_entities.cpp
@@ -1221,7 +1221,7 @@ TEST(MessageEntities, is_visible_url) {
   td::string str = "a telegram.org telegran.org telegrao.org telegram.orc telegrap.org c";
   td::vector<td::MessageEntity> entities;
   entities.emplace_back(td::MessageEntity::Type::TextUrl, 0, 1, "telegrab.org");
-  entities.emplace_back(td::MessageEntity::Type::TextUrl, str.size() - 1, 1, "telegrax.org");
+  entities.emplace_back(td::MessageEntity::Type::TextUrl, static_cast<td::int32>(str.size()) - 1, 1, "telegrax.org");
   td::fix_formatted_text(str, entities, false, false, false, false, true).ensure();
   td::FormattedText text{std::move(str), std::move(entities)};
   ASSERT_EQ(td::get_first_url(text), "telegrab.org");