diff --git a/zabbix_agent.sh b/zabbix_agent.sh
index b9038b0..12bde78 100644
--- a/zabbix_agent.sh
+++ b/zabbix_agent.sh
@@ -28,11 +28,12 @@ elif [ -f /etc/redhat-release ]; then
 <?xml version="1.0" encoding="utf-8"?>
     <service>
         <short>zabbix agent</short>
-        <description>zabbix agent/description>
+        <description>zabbix agent</description>
         <port protocol="tcp" port="10050"/>
         <port protocol="udp" port="10050"/>
     </service>
 EOF
+    sleep 5
     firewall-cmd --add-service=zabbix-agent --permanent
     firewall-cmd --reload
 else