diff --git a/config/zabbix_agentd/zabbix_agentd.conf b/config/zabbix_agentd/zabbix_agentd.conf
index a5a608d83..c9e041113 100644
--- a/config/zabbix_agentd/zabbix_agentd.conf
+++ b/config/zabbix_agentd/zabbix_agentd.conf
@@ -13,12 +13,13 @@
 Server=127.0.0.1
 ServerActive=127.0.0.1
 
-# Number of pre-forked instances of zabbix_agentd that process passive checks.
-# On IPFire this is set to 0 to disable passive checks and only allow active
-# checks by default.
-# Set this value in a range of 1-100 to enable passive checks or comment it
-# out to revert to the Zabbix agent default (10).
-StartAgents=0
+# Number of pre-forked instances of zabbix_agentd that concurrently process 
+# passive checks.
+# On IPFire this is by default set to 3 to minimize the required resources. 
+# This parameter can be increased up to 100 if you have a lot of slow-running
+# checks, and the agent acts as the bottleneck. 
+# Or set to 0 to disable passive checks.
+StartAgents=3
 
 # List of comma delimited IP addresses that the agent should listen on
 # for passive checks.