diff --git a/inventory/host_vars/db-koji01.stg.phx2.fedoraproject.org b/inventory/host_vars/db-koji01.stg.phx2.fedoraproject.org
index 20c3b7fee3..e3f2173a7f 100644
--- a/inventory/host_vars/db-koji01.stg.phx2.fedoraproject.org
+++ b/inventory/host_vars/db-koji01.stg.phx2.fedoraproject.org
@@ -17,6 +17,7 @@ databases:
 # These are normally group variables, but in this case db servers are often different
 lvm_size: 300000
 mem_size: 16384
+max_mem_size: "{{ mem_size }}"
 num_cpus: 8
 fas_client_groups: sysadmin-dba,sysadmin-noc,sysadmin-veteran
 
diff --git a/inventory/host_vars/db-koji02.stg.phx2.fedoraproject.org b/inventory/host_vars/db-koji02.stg.phx2.fedoraproject.org
index 14a05cc926..6ea788e2a8 100644
--- a/inventory/host_vars/db-koji02.stg.phx2.fedoraproject.org
+++ b/inventory/host_vars/db-koji02.stg.phx2.fedoraproject.org
@@ -17,6 +17,7 @@ databases:
 # These are normally group variables, but in this case db servers are often different
 lvm_size: 300000
 mem_size: 16384
+max_mem_size: "{{ mem_size }}"
 num_cpus: 8
 fas_client_groups: sysadmin-dba,sysadmin-noc,sysadmin-veteran