diff --git a/devstack/lib/ironic b/devstack/lib/ironic
index 7bf0c07389..f0f0eedc22 100644
--- a/devstack/lib/ironic
+++ b/devstack/lib/ironic
@@ -1578,7 +1578,7 @@ function enroll_nodes {
             elif is_deployed_by_ilo; then
                 node_options+=" -i ilo_address=$bmc_address -i ilo_password=$bmc_passwd\
                     -i ilo_username=$bmc_username"
-                if [[ $IRONIC_DEPLOY_DRIVER -ne "pxe_ilo" ]]; then
+                if [[ $IRONIC_DEPLOY_DRIVER != "pxe_ilo" ]]; then
                     node_options+=" -i ilo_deploy_iso=$IRONIC_DEPLOY_ISO_ID"
                 fi
             elif is_deployed_by_drac; then