diff --git a/openmptcprouter/files/etc/uci-defaults/9020-omr-sysctl b/openmptcprouter/files/etc/uci-defaults/9020-omr-sysctl
new file mode 100755
index 000000000..cfe724a04
--- /dev/null
+++ b/openmptcprouter/files/etc/uci-defaults/9020-omr-sysctl
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+# Remove settings defined in /etc/sysctl.conf that are already defined in /etc/sysctl.d/
+sed -i -e '/tcp_fin_timeout/d' -e '/tcp_keepalive_time/d' -e '/nf_conntrack_max/d' /etc/sysctl.conf
+exit 0