diff --git a/Containers/apache/Caddyfile b/Containers/apache/Caddyfile
index 2fb139c2..a153ed79 100644
--- a/Containers/apache/Caddyfile
+++ b/Containers/apache/Caddyfile
@@ -54,7 +54,8 @@ http://{$APACHE_HOST}.nextcloud-aio:23973, # For Collabora callback and WOPI req
     route /eurooffice/* {
         uri strip_prefix /eurooffice
         reverse_proxy {$EUROOFFICE_HOST}:80 {
-            header_up X-Forwarded-Host {http.request.hostport}/eurooffice
+            header_up X-Forwarded-Host {http.request.hostport}
+            header_up X-Forwarded-Prefix /eurooffice
         }
     }