--- a/conf/zabbix_server.conf
+++ b/conf/zabbix_server.conf
@@ -56,7 +56,7 @@
 #
 # Mandatory: no
 # Default:
-# PidFile=/tmp/zabbix_server.pid
+PidFile=/tmp/zabbix_server.pid
 
 ### Option: DBHost
 #	Database host name.