diff --git a/devstack/lib/ironic b/devstack/lib/ironic
index cf1094c8a1..fe76c8a061 100644
--- a/devstack/lib/ironic
+++ b/devstack/lib/ironic
@@ -111,7 +111,7 @@ IRONIC_VM_SSH_PORT=${IRONIC_VM_SSH_PORT:-22}
 IRONIC_VM_SSH_ADDRESS=${IRONIC_VM_SSH_ADDRESS:-$HOST_IP}
 IRONIC_VM_COUNT=${IRONIC_VM_COUNT:-1}
 IRONIC_VM_SPECS_CPU=${IRONIC_VM_SPECS_CPU:-1}
-IRONIC_VM_SPECS_RAM=${IRONIC_VM_SPECS_RAM:-1024}
+IRONIC_VM_SPECS_RAM=${IRONIC_VM_SPECS_RAM:-1280}
 IRONIC_VM_SPECS_CPU_ARCH=${IRONIC_VM_SPECS_CPU_ARCH:-'x86_64'}
 IRONIC_VM_SPECS_DISK=${IRONIC_VM_SPECS_DISK:-10}
 IRONIC_VM_SPECS_DISK_FORMAT=${IRONIC_VM_SPECS_DISK_FORMAT:-qcow2}