diff --git a/inventory/group_vars/buildppc b/inventory/group_vars/buildppc
index 76c7e4cc4e..ec549581fa 100644
--- a/inventory/group_vars/buildppc
+++ b/inventory/group_vars/buildppc
@@ -3,6 +3,7 @@
 volgroup: /dev/vg_guests
 lvm_size: 150000
 mem_size: 10240
+max_mem_size: "{{ mem_size }}"
 num_cpus: 4
 ks_url: http://10.5.126.23/repo/rhel/ks/buildvm-fedora-23-ppc64
 ks_repo: http://10.5.126.23/pub/fedora-secondary/releases/23/Server/ppc64/os/
diff --git a/inventory/group_vars/buildppcle b/inventory/group_vars/buildppcle
index 9bafafe7a7..0ea9bbe53c 100644
--- a/inventory/group_vars/buildppcle
+++ b/inventory/group_vars/buildppcle
@@ -3,6 +3,7 @@
 volgroup: /dev/vg_guests
 lvm_size: 150000
 mem_size: 10240
+max_mem_size: "{{ mem_size }}"
 num_cpus: 4
 ks_url: http://10.5.126.23/repo/rhel/ks/buildvm-fedora-23-ppc64le
 ks_repo: http://10.5.126.23/pub/fedora-secondary/releases/23/Server/ppc64le/os/
diff --git a/inventory/group_vars/buildvm-ppc64 b/inventory/group_vars/buildvm-ppc64
index 2776abb290..cab1c24ead 100644
--- a/inventory/group_vars/buildvm-ppc64
+++ b/inventory/group_vars/buildvm-ppc64
@@ -3,6 +3,7 @@
 volgroup: /dev/vg_guests
 lvm_size: 150000
 mem_size: 10240
+max_mem_size: "{{ mem_size }}"
 num_cpus: 4
 ks_url: http://10.5.126.23/repo/rhel/ks/buildvm-fedora-23-ppc64
 ks_repo: http://10.5.126.23/pub/fedora-secondary/releases/23/Server/ppc64/os/
diff --git a/inventory/group_vars/buildvm-ppc64le b/inventory/group_vars/buildvm-ppc64le
index 1ef3610550..283d7cce4c 100644
--- a/inventory/group_vars/buildvm-ppc64le
+++ b/inventory/group_vars/buildvm-ppc64le
@@ -3,6 +3,7 @@
 volgroup: /dev/vg_guests
 lvm_size: 150000
 mem_size: 10240
+max_mem_size: "{{ mem_size }}"
 num_cpus: 4
 ks_url: http://10.5.126.23/repo/rhel/ks/buildvm-fedora-23-ppc64le
 ks_repo: http://10.5.126.23/pub/fedora-secondary/releases/23/Server/ppc64le/os/
diff --git a/inventory/host_vars/buildvm-s390-01.s390.fedoraproject.org b/inventory/host_vars/buildvm-s390-01.s390.fedoraproject.org
index 411b995997..818b75f43b 100644
--- a/inventory/host_vars/buildvm-s390-01.s390.fedoraproject.org
+++ b/inventory/host_vars/buildvm-s390-01.s390.fedoraproject.org
@@ -10,6 +10,7 @@ main_bridge: br1
 volgroup: /dev/vg_guests
 lvm_size: 150000
 mem_size: 10240
+max_mem_size: "{{ mem_size }}"
 num_cpus: 4
 ks_url: http://10.5.126.23/repo/rhel/ks/buildvm-fedora-23
 ks_repo: http://10.5.126.23/pub/fedora/linux/releases/23/Server/x86_64/os/