diff --git a/defaults/main.yml b/defaults/main.yml
index 03afd290..b3315c79 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -194,7 +194,7 @@ nova_service_internalurl: "{{ nova_service_internaluri }}/v2.1/%(tenant_id)s"
 nova_cross_az_attach: True
 
 ## Nova spice
-nova_spice_html5proxy_base_proto: http
+nova_spice_html5proxy_base_proto: "{{ openstack_service_publicuri_proto | default('http') }}"
 nova_spice_html5proxy_base_port: 6082
 nova_spice_html5proxy_base_uri: "{{ nova_spice_html5proxy_base_proto }}://{{ external_lb_vip_address }}:{{ nova_spice_html5proxy_base_port }}"
 nova_spice_html5proxy_base_url: "{{ nova_spice_html5proxy_base_uri }}/spice_auto.html"
@@ -204,7 +204,7 @@ nova_spicehtml5_git_repo: https://github.com/SPICE/spice-html5
 nova_spicehtml5_git_install_branch: master
 
 ## Nova novnc
-nova_novncproxy_proto: http
+nova_novncproxy_proto: "{{ openstack_service_publicuri_proto | default('http') }}"
 nova_novncproxy_port: 6080
 nova_novncproxy_base_uri: "{{ nova_novncproxy_proto }}://{{ external_lb_vip_address }}:{{ nova_novncproxy_port }}"
 nova_novncproxy_base_url: "{{ nova_novncproxy_base_uri }}/vnc_auto.html"