diff --git a/playbooks/legacy/grenade-dsvm-ironic-multinode-multitenant/run.yaml b/playbooks/legacy/grenade-dsvm-ironic-multinode-multitenant/run.yaml
index 4e1e1683d9..c9091f6fc8 100644
--- a/playbooks/legacy/grenade-dsvm-ironic-multinode-multitenant/run.yaml
+++ b/playbooks/legacy/grenade-dsvm-ironic-multinode-multitenant/run.yaml
@@ -81,6 +81,7 @@
             export DEVSTACK_LOCAL_CONFIG+=$'\n'"TENANT_VLAN_RANGE=100:150"
             export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_ENABLED_NETWORK_INTERFACES=flat,neutron"
             export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_NETWORK_INTERFACE=neutron"
+            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_DEFAULT_BOOT_OPTION=local"
             export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_AUTOMATED_CLEAN_ENABLED=False"
             export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=384"
             export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=tinyipa"
diff --git a/zuul.d/ironic-jobs.yaml b/zuul.d/ironic-jobs.yaml
index 76b140ead3..b29ba5bfce 100644
--- a/zuul.d/ironic-jobs.yaml
+++ b/zuul.d/ironic-jobs.yaml
@@ -365,6 +365,7 @@
         IRONIC_BUILD_DEPLOY_RAMDISK: False
         IRONIC_CALLBACK_TIMEOUT: 600
         IRONIC_DEFAULT_DEPLOY_INTERFACE: direct
+        IRONIC_DEFAULT_BOOT_OPTION: local
         IRONIC_DEPLOY_DRIVER: ipmi
         IRONIC_ENABLED_NETWORK_INTERFACES: flat,neutron
         IRONIC_INSPECTOR_BUILD_RAMDISK: False
@@ -441,6 +442,7 @@
           IRONIC_AUTOMATED_CLEAN_ENABLED: False
           IRONIC_BAREMETAL_BASIC_OPS: True
           IRONIC_DEPLOY_DRIVER: ipmi
+          IRONIC_DEFAULT_BOOT_OPTION: local
           IRONIC_ENABLED_NETWORK_INTERFACES: flat,neutron
           IRONIC_NETWORK_INTERFACE: neutron
           IRONIC_PROVISION_NETWORK_NAME: ironic-provision