diff --git a/Containers/apache/Caddyfile b/Containers/apache/Caddyfile
index a73c7961..e20dd6e8 100644
--- a/Containers/apache/Caddyfile
+++ b/Containers/apache/Caddyfile
@@ -36,6 +36,7 @@
         uri strip_prefix /onlyoffice
         reverse_proxy {$ONLYOFFICE_HOST}:80 {
             header_up X-Forwarded-Host {http.request.host}/onlyoffice
+            header_up X-Forwarded-Proto https
         }
     }