diff --git a/tasks/main.yml b/tasks/main.yml
index f685bf7..9d4afbc 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -73,7 +73,7 @@
         roundcube_domain: {
           "locations": {
             roundcube_web_root.rstrip('/')+'/': {
-              "proxy_pass": "http://{}:9000/".format(roundcube_container)
+              "proxy_pass": "https://{}:9443/".format(roundcube_container)
               }
             }
           }