diff --git a/templates/haproxy.cfg.j2 b/templates/haproxy.cfg.j2
index e76e3f1..21445fd 100644
--- a/templates/haproxy.cfg.j2
+++ b/templates/haproxy.cfg.j2
@@ -142,6 +142,7 @@ frontend http
     option forwardfor
     # HSTS (63072000 seconds)
     http-response set-header Strict-Transport-Security max-age=63072000
+    http-request set-header X-Forwarded-Proto https if { ssl_fc }
     # Remove the port from the host endpoint.
     http-request replace-value Host (.*):.* \1
 {% if docker_swarm_cluster_portainer_install %}