diff --git a/configs/defconfig.common b/configs/defconfig.common
index 68f1ad767..1f4a1924d 100644
--- a/configs/defconfig.common
+++ b/configs/defconfig.common
@@ -56,6 +56,7 @@ CONFIG_LWIP_ETHARP_TRUST_IP_MAC=y
 # CONFIG_LWIP_DHCP_DOES_ARP_CHECK is not set
 CONFIG_LWIP_TCP_SYNMAXRTX=6
 CONFIG_LWIP_TCP_MSS=1436
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=5744
 CONFIG_LWIP_TCP_RTO_TIME=3000
 CONFIG_LWIP_TCP_SACK_OUT=y
 CONFIG_LWIP_TCPIP_TASK_STACK_SIZE=4096