diff --git a/luci-app-openmptcprouter/root/etc/uci-defaults/openmptcprouter b/luci-app-openmptcprouter/root/etc/uci-defaults/openmptcprouter
index 7d85ea9c4..9fae15302 100755
--- a/luci-app-openmptcprouter/root/etc/uci-defaults/openmptcprouter
+++ b/luci-app-openmptcprouter/root/etc/uci-defaults/openmptcprouter
@@ -107,4 +107,7 @@ if [ "$(uci -q get openmptcprouter.settings.scaling_governor)" = "" ]; then
 		commit openmptcprouter
 	EOF
 fi
+
+sed -i 's/net.ipv4.tcp_retries2=3$/net.ipv4.tcp_retries2=15/' /etc/sysctl.d/zzz_openmptcprouter.conf
+
 exit 0