diff --git a/tdactor/td/actor/impl/ConcurrentScheduler.cpp b/tdactor/td/actor/impl/ConcurrentScheduler.cpp
index fe25f1a7..47593db9 100644
--- a/tdactor/td/actor/impl/ConcurrentScheduler.cpp
+++ b/tdactor/td/actor/impl/ConcurrentScheduler.cpp
@@ -25,9 +25,12 @@ void ConcurrentScheduler::init(int32 threads_n) {
   threads_n++;
   std::vector<std::shared_ptr<MpscPollableQueue<EventFull>>> outbound(threads_n);
   for (int32 i = 0; i < threads_n; i++) {
+#if TD_THREAD_UNSUPPORTED || TD_EVENTFD_UNSUPPORTED
+#else
     auto queue = std::make_shared<MpscPollableQueue<EventFull>>();
     queue->init();
     outbound[i] = queue;
+#endif
   }
 
   schedulers_.resize(threads_n);
diff --git a/tdutils/td/utils/tl_parsers.cpp b/tdutils/td/utils/tl_parsers.cpp
index 65ff8308..7a44f3f8 100644
--- a/tdutils/td/utils/tl_parsers.cpp
+++ b/tdutils/td/utils/tl_parsers.cpp
@@ -8,7 +8,7 @@
 
 namespace td {
 
-const unsigned char TlParser::empty_data[sizeof(UInt256)] = {};  // static zero-initialized
+alignas(128) const unsigned char TlParser::empty_data[sizeof(UInt256)] = {};  // static zero-initialized
 
 void TlParser::set_error(const string &error_message) {
   if (error.empty()) {