diff --git a/inventory/group_vars/mm-backend b/inventory/group_vars/mm-backend
index 1102fffa56..b2d90ca0d4 100644
--- a/inventory/group_vars/mm-backend
+++ b/inventory/group_vars/mm-backend
@@ -1,4 +1,5 @@
 ---
+mem_size: 6144
 
 fedmsg_certs:
 - service: shell
diff --git a/inventory/host_vars/mm-backend01.phx2.fedoraproject.org b/inventory/host_vars/mm-backend01.phx2.fedoraproject.org
index ce4f9413f8..f6f7124f1c 100644
--- a/inventory/host_vars/mm-backend01.phx2.fedoraproject.org
+++ b/inventory/host_vars/mm-backend01.phx2.fedoraproject.org
@@ -1,6 +1,5 @@
 ---
 lvm_size: 20000
-mem_size: 4096
 num_cpus: 2
 nm: 255.255.255.0
 gw: 10.5.126.254