diff --git a/openmptcprouter/files/etc/uci-defaults/1930-omr-shadowsocks b/openmptcprouter/files/etc/uci-defaults/1930-omr-shadowsocks
index f47a4200c..7ddcc4e57 100755
--- a/openmptcprouter/files/etc/uci-defaults/1930-omr-shadowsocks
+++ b/openmptcprouter/files/etc/uci-defaults/1930-omr-shadowsocks
@@ -53,6 +53,7 @@ fi
 
 if [ "$(uci -q get shadowsocks-libev.hi3)" != "" ]; then
 	port=1100
+	[ "$NBCPU" -gt "10" ] && NBCPU=10
 	for c in $(seq 1 2 $NBCPU); do
 		uci -q batch <<-EOF >/dev/null
 			set shadowsocks-libev.hi$c.local_port=$port