diff --git a/configs/defconfig.common b/configs/defconfig.common
index 2f34548aa..68f1ad767 100644
--- a/configs/defconfig.common
+++ b/configs/defconfig.common
@@ -57,6 +57,7 @@ CONFIG_LWIP_ETHARP_TRUST_IP_MAC=y
 CONFIG_LWIP_TCP_SYNMAXRTX=6
 CONFIG_LWIP_TCP_MSS=1436
 CONFIG_LWIP_TCP_RTO_TIME=3000
+CONFIG_LWIP_TCP_SACK_OUT=y
 CONFIG_LWIP_TCPIP_TASK_STACK_SIZE=4096
 CONFIG_LWIP_TCPIP_TASK_AFFINITY_CPU0=y
 CONFIG_LWIP_MAX_SOCKETS=16