diff --git a/lib/tempest b/lib/tempest
index 85a3c7282a..1e98becdac 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -149,6 +149,7 @@ function configure_tempest {
     TEMPEST_TENANT_NAME=${TEMPEST_TENANT_NAME:-demo}
     ALT_USERNAME=${ALT_USERNAME:-alt_demo}
     ALT_TENANT_NAME=${ALT_TENANT_NAME:-alt_demo}
+    ADMIN_TENANT_ID=$(openstack project list | awk "/ admin / { print \$2 }")
 
     # If the ``DEFAULT_INSTANCE_TYPE`` not declared, use the new behavior
     # Tempest creates instane types for himself
@@ -256,6 +257,7 @@ function configure_tempest {
     iniset $TEMPEST_CONFIG identity admin_username $ADMIN_USERNAME
     iniset $TEMPEST_CONFIG identity admin_password "$password"
     iniset $TEMPEST_CONFIG identity admin_tenant_name $ADMIN_TENANT_NAME
+    iniset $TEMPEST_CONFIG identity admin_tenant_id $ADMIN_TENANT_ID
     iniset $TEMPEST_CONFIG identity admin_domain_name $ADMIN_DOMAIN_NAME
     iniset $TEMPEST_CONFIG identity auth_version ${TEMPEST_AUTH_VERSION:-v2}