diff --git a/mtprotoproxy.py b/mtprotoproxy.py
index 80716b1..e8d2275 100755
--- a/mtprotoproxy.py
+++ b/mtprotoproxy.py
@@ -149,7 +149,7 @@ PREFER_IPV6 = config.get("PREFER_IPV6", socket.has_ipv6)
 FAST_MODE = config.get("FAST_MODE", True)
 STATS_PRINT_PERIOD = config.get("STATS_PRINT_PERIOD", 600)
 PROXY_INFO_UPDATE_PERIOD = config.get("PROXY_INFO_UPDATE_PERIOD", 24*60*60)
-TO_CLT_BUFSIZE = config.get("TO_CLT_BUFSIZE", 8192)
+TO_CLT_BUFSIZE = config.get("TO_CLT_BUFSIZE", 16384)
 TO_TG_BUFSIZE = config.get("TO_TG_BUFSIZE", 65536)
 CLIENT_KEEPALIVE = config.get("CLIENT_KEEPALIVE", 10*60)
 CLIENT_HANDSHAKE_TIMEOUT = config.get("CLIENT_HANDSHAKE_TIMEOUT", 10)