diff --git a/playbooks/include/proxies-reverseproxy.yml b/playbooks/include/proxies-reverseproxy.yml
index 403a023da3..9c1c3fd0e1 100644
--- a/playbooks/include/proxies-reverseproxy.yml
+++ b/playbooks/include/proxies-reverseproxy.yml
@@ -695,6 +695,7 @@
     balancer_name: app-os
     targettype: openshift
     keephost: true
+    header_scheme: true
     tags: calendar
 
   - role: httpd/reverseproxy