diff --git a/mptcp/files/usr/share/omr/post-tracking.d/post-tracking b/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
index 4c4ca3860..031e16103 100755
--- a/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
+++ b/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
@@ -285,7 +285,7 @@ if [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.lc)" = "" ] || [ $(($(
 		[ -z "$asn" ] && {
 			asn="$(whois $ipaddr 2>/dev/null | grep -m 1 -i 'netname' | awk '{print $2}')"
 		}
-		[ -z "$(openmptcprouter.$OMR_TRACKER_INTERFACE)" ] && {
+		[ -z "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE)" ] && {
 			uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE=interface
 		}
 		local serverip=$(uci -q get shadowsocks-libev.sss0.server)