diff --git a/luci-app-openmptcprouter/root/etc/sysctl.d/zzz_openmptcprouter.conf b/luci-app-openmptcprouter/root/etc/sysctl.d/zzz_openmptcprouter.conf
index 510841c4f..263aaa631 100644
--- a/luci-app-openmptcprouter/root/etc/sysctl.d/zzz_openmptcprouter.conf
+++ b/luci-app-openmptcprouter/root/etc/sysctl.d/zzz_openmptcprouter.conf
@@ -1,2 +1,2 @@
-net.ipv4.tcp_keepalive_time=2400
+net.ipv4.tcp_keepalive_time=7200
 net.ipv6.conf.all.disable_ipv6=0
\ No newline at end of file