diff --git a/ansible/roles/kolla-openstack/defaults/main.yml b/ansible/roles/kolla-openstack/defaults/main.yml
index 579c314f806febda3d60f84ef98fb8af34fda31b..80efb7ba6728c02bd3df87628609375f5675a34c 100644
--- a/ansible/roles/kolla-openstack/defaults/main.yml
+++ b/ansible/roles/kolla-openstack/defaults/main.yml
@@ -175,7 +175,7 @@ kolla_extra_ironic_dnsmasq:
 kolla_enable_magnum:
 
 # Free form extra configuration to append to magnum.conf.
-kolla_magnum_extra:
+kolla_extra_magnum:
 
 ###############################################################################
 # Neutron configuration.