diff --git a/roles/base/templates/ifcfg.j2 b/roles/base/templates/ifcfg.j2
index 2f334be67b..0e7ba2b861 100644
--- a/roles/base/templates/ifcfg.j2
+++ b/roles/base/templates/ifcfg.j2
@@ -38,4 +38,5 @@ IPV6_MTU=1280
 {% endif %}
 {% if hostvars[inventory_hostname][item + '_secondary_ip'] is defined %}
 IPADDR1="{{ hostvars[inventory_hostname][item + '_secondary_ip'] }}"
+PREFIX1=24
 {% endif %}