diff --git a/ansible/roles/neutron/templates/ml2_conf.ini.j2 b/ansible/roles/neutron/templates/ml2_conf.ini.j2
index 0be8a54a71..6ece2a72b0 100644
--- a/ansible/roles/neutron/templates/ml2_conf.ini.j2
+++ b/ansible/roles/neutron/templates/ml2_conf.ini.j2
@@ -16,7 +16,7 @@ mechanism_drivers = linuxbridge,l2population
 {% endif %}
 
 {% if neutron_extension_drivers %}
-extension_drivers = {{ neutron_extension_drivers|map(attribute='name')|join(',') }} 
+extension_drivers = {{ neutron_extension_drivers|map(attribute='name')|join(',') }}
 {% endif %}
 
 [ml2_type_vlan]