diff --git a/roles/rkhunter/templates/rkhunter.conf.j2 b/roles/rkhunter/templates/rkhunter.conf.j2
index 9bff3d0c09..7a521b848c 100644
--- a/roles/rkhunter/templates/rkhunter.conf.j2
+++ b/roles/rkhunter/templates/rkhunter.conf.j2
@@ -643,3 +643,7 @@ SCRIPTWHITELIST=/usr/bin/groups
 SCRIPTWHITELIST=/usr/bin/GET
 SCRIPTWHITELIST=/sbin/ifup
 SCRIPTWHITELIST=/sbin/ifdown
+{% if inventory_hostname in groups['dbservers'] or ansible_hostname.startswith(('pagure', 'retrace', 'anitya', 'upstream')) %}
+# Set this size very large on postgres running servers.
+IPC_SEG_SIZE=100000000000
+{% endif %}