diff --git a/omr-tracker/files/bin/omr-tracker-ss b/omr-tracker/files/bin/omr-tracker-ss
index a7a3639c7..28f54b41a 100755
--- a/omr-tracker/files/bin/omr-tracker-ss
+++ b/omr-tracker/files/bin/omr-tracker-ss
@@ -91,7 +91,7 @@ while true; do
 				_log "Shadowsocks ${server} is down (can't contact via http ${nocontact})"
 				uci -q set openmptcprouter.omr.ss_${server}="down"
 				uci -q commit openmptcprouter.omr
-				[ "$(uci show openmptcprouter.omr | grep ss | grep up)" = "" ] && /etc/init.d/shadowsocks-libev rules_down 2> /dev/null
+				[ "$(uci show openmptcprouter.omr | grep ss_ | grep up)" = "" ] && /etc/init.d/shadowsocks-libev rules_down 2> /dev/null
 				_get_ip
 				server_ping=false
 				serverip="$(uci -q get shadowsocks-libev.${server}.server)"