diff --git a/tdactor/test/actors_simple.cpp b/tdactor/test/actors_simple.cpp
index 2a5b71a71..caed5d891 100644
--- a/tdactor/test/actors_simple.cpp
+++ b/tdactor/test/actors_simple.cpp
@@ -396,22 +396,22 @@ class LinkTokenMasterActor : public Actor {
   }
   void loop() override {
     for (int i = 0; i < 100 && cnt_ > 0; cnt_--, i++) {
+      auto token = static_cast<uint64>(cnt_ + 1);
       switch (i % 4) {
         case 0: {
-          send_closure(ActorShared<LinkTokenSlave>(child_, cnt_ + 1), &LinkTokenSlave::add, cnt_ + 1);
+          send_closure(ActorShared<LinkTokenSlave>(child_, token), &LinkTokenSlave::add, token);
           break;
         }
         case 1: {
-          send_closure_later(ActorShared<LinkTokenSlave>(child_, cnt_ + 1), &LinkTokenSlave::add, cnt_ + 1);
+          send_closure_later(ActorShared<LinkTokenSlave>(child_, token), &LinkTokenSlave::add, token);
           break;
         }
         case 2: {
-          EventCreator::closure(ActorShared<LinkTokenSlave>(child_, cnt_ + 1), &LinkTokenSlave::add, cnt_ + 1)
-              .try_emit();
+          EventCreator::closure(ActorShared<LinkTokenSlave>(child_, token), &LinkTokenSlave::add, token).try_emit();
           break;
         }
         case 3: {
-          EventCreator::closure(ActorShared<LinkTokenSlave>(child_, cnt_ + 1), &LinkTokenSlave::add, cnt_ + 1)
+          EventCreator::closure(ActorShared<LinkTokenSlave>(child_, token), &LinkTokenSlave::add, token)
               .try_emit_later();
           break;
         }
diff --git a/tdnet/td/net/NetStats.h b/tdnet/td/net/NetStats.h
index 5f5ecc11b..18df11112 100644
--- a/tdnet/td/net/NetStats.h
+++ b/tdnet/td/net/NetStats.h
@@ -132,7 +132,7 @@ class NetStats {
     void on_change(LocalNetStats &stats, uint64 size) {
       stats.unsync_size += size;
       auto now = Time::now();
-      if (stats.unsync_size > 10000 || now - stats.last_update > 5 * 60) {
+      if (stats.unsync_size > 10000 || now - stats.last_update > 300) {
         stats.unsync_size = 0;
         stats.last_update = now;
         callback_->on_stats_updated();
diff --git a/tdutils/td/utils/misc.h b/tdutils/td/utils/misc.h
index 417e7de1b..ee6f8ea84 100644
--- a/tdutils/td/utils/misc.h
+++ b/tdutils/td/utils/misc.h
@@ -208,7 +208,7 @@ std::enable_if_t<std::is_signed<T>::value, T> to_integer(Slice str) {
     begin++;
   }
   while (begin != end && is_digit(*begin)) {
-    integer_value = static_cast<unsigned_T>(integer_value * 10 + (*begin++ - '0'));
+    integer_value = static_cast<unsigned_T>(integer_value * 10 + static_cast<unsigned_T>(*begin++ - '0'));
   }
   if (integer_value > static_cast<unsigned_T>(std::numeric_limits<T>::max())) {
     static_assert(~0 + 1 == 0, "Two's complement");
@@ -230,7 +230,7 @@ std::enable_if_t<std::is_unsigned<T>::value, T> to_integer(Slice str) {
   auto begin = str.begin();
   auto end = str.end();
   while (begin != end && is_digit(*begin)) {
-    integer_value = static_cast<T>(integer_value * 10 + (*begin++ - '0'));
+    integer_value = static_cast<T>(integer_value * 10 + static_cast<T>(*begin++ - '0'));
   }
   return integer_value;
 }