diff --git a/td/telegram/Client.cpp b/td/telegram/Client.cpp
index 7425654e1..d936cb8e4 100644
--- a/td/telegram/Client.cpp
+++ b/td/telegram/Client.cpp
@@ -429,7 +429,11 @@ class MultiImplPool {
     if (impls_.empty()) {
       init_openssl_threads();
 
-      impls_.resize(clamp(thread::hardware_concurrency(), 8u, 20u) * 5 / 4);
+      auto max_client_threads = clamp(thread::hardware_concurrency(), 8u, 20u) * 5 / 4;
+#if TD_OPENBSD
+      max_client_threads = td::min(max_client_threads, 7u);
+#endif
+      impls_.resize(max_client_threads);
       CHECK(impls_.size() * (1 + MultiImpl::ADDITIONAL_THREAD_COUNT + 1 /* IOCP */) < 128);
 
       net_query_stats_ = std::make_shared<NetQueryStats>();
diff --git a/test/tdclient.cpp b/test/tdclient.cpp
index a914c254f..6013f795e 100644
--- a/test/tdclient.cpp
+++ b/test/tdclient.cpp
@@ -868,7 +868,7 @@ TEST(Client, Simple) {
 }
 
 TEST(Client, SimpleMulti) {
-  std::vector<td::Client> clients(40);
+  std::vector<td::Client> clients(7);
   //for (auto &client : clients) {
   //client.execute({1, td::td_api::make_object<td::td_api::setLogTagVerbosityLevel>("td_requests", 1)});
   //}