diff --git a/td/telegram/net/ConnectionCreator.cpp b/td/telegram/net/ConnectionCreator.cpp
index f113c769..041c4523 100644
--- a/td/telegram/net/ConnectionCreator.cpp
+++ b/td/telegram/net/ConnectionCreator.cpp
@@ -739,7 +739,8 @@ Result<mtproto::TransportType> ConnectionCreator::get_transport_type(const Proxy
 Result<SocketFd> ConnectionCreator::find_connection(const ProxyInfo &proxy, DcId dc_id, bool allow_media_only,
                                                     FindConnectionExtra &extra) {
   extra.debug_str = PSTRING() << "Failed to find valid IP for " << dc_id;
-  TRY_RESULT(info, dc_options_set_.find_connection(dc_id, allow_media_only, proxy.use_proxy()));
+  TRY_RESULT(info,
+             dc_options_set_.find_connection(dc_id, allow_media_only, proxy.use_proxy() && !proxy.use_mtproto_proxy()));
   extra.stat = info.stat;
   TRY_RESULT(transport_type, get_transport_type(proxy, info));
   extra.transport_type = std::move(transport_type);