diff --git a/x/quick_server.sh b/x/quick_server.sh
index ce617c9..aa8ca1a 100644
--- a/x/quick_server.sh
+++ b/x/quick_server.sh
@@ -29,7 +29,7 @@ function is_valid_domain() {
 
 echo "Enabling BBR..."
 echo "net.core.default_qdisc=fq" | tee -a /etc/sysctl.conf
-echo "net.ipv4.tcp.congestion_control=bbr" |tee -a /etc/sysctl.conf
+echo "net.ipv4.tcp_congestion_control=bbr" |tee -a /etc/sysctl.conf
 sysctl -p
 
 echo -e "\n[INFO] Validate DOMAN: ${BLUE}${DOMAIN}${NC} ..."