diff --git a/keepalived/cluster/instance/openstack_web_public_vip.yml b/keepalived/cluster/instance/openstack_web_public_vip.yml
index 1080e62..144ddf2 100644
--- a/keepalived/cluster/instance/openstack_web_public_vip.yml
+++ b/keepalived/cluster/instance/openstack_web_public_vip.yml
@@ -11,7 +11,7 @@
     cluster:
       vrrp_scripts:
         check_pidof:
-          args: "haproxy"
+          args: "nginx"
           interval: 10
           rise: 1
           fall: 1
@@ -23,4 +23,4 @@
           interface: ${_param:keepalived_openstack_web_public_vip_interface}
           virtual_router_id: 132
           priority: ${_param:keepalived_vip_priority}
-          track_script: check_pidof
+          track_script: check_pidof
\ No newline at end of file