diff --git a/src/Simplex/Messaging/Server/Main.hs b/src/Simplex/Messaging/Server/Main.hs
index e39b8ab0c..80f9bc18a 100644
--- a/src/Simplex/Messaging/Server/Main.hs
+++ b/src/Simplex/Messaging/Server/Main.hs
@@ -165,7 +165,7 @@ smpServerCLI cfgPath logPath =
           ServerConfig
             { transports = iniTransports ini,
               tbqSize = 32,
-              serverTbqSize = 128,
+              serverTbqSize = 1024,
               msgQueueQuota = 128,
               queueIdBytes = 24,
               msgIdBytes = 24, -- must be at least 24 bytes, it is used as 192-bit nonce for XSalsa20