diff --git a/inventory/group_vars/wiki b/inventory/group_vars/wiki
index cb40607efd..f316a2953d 100644
--- a/inventory/group_vars/wiki
+++ b/inventory/group_vars/wiki
@@ -2,6 +2,7 @@
 # Define resources for this group of hosts here. 
 lvm_size: 30000
 mem_size: 8192
+max_mem_size: 8192
 num_cpus: 4
 
 virt_install_command: "{{ virt_install_command_two_nic }}"