diff --git a/test-distro_install-vars.yml b/test-distro_install-vars.yml
index 385ccc0f..2fddddf6 100644
--- a/test-distro_install-vars.yml
+++ b/test-distro_install-vars.yml
@@ -45,6 +45,7 @@ karbor_install_method: distro
 keystone_install_method: distro
 magnum_install_method: distro
 masakari_install_method: distro
+mistral_install_method: distro
 molteniron_install_method: distro
 monasca_install_method: distro
 monasca-agent_install_method: distro