diff --git a/doc/docker/nginx.conf b/doc/docker/nginx.conf
index 39b0bb554c..62c3b9fd6c 100644
--- a/doc/docker/nginx.conf
+++ b/doc/docker/nginx.conf
@@ -8,6 +8,12 @@ upstream fpm {
 	server egroupware:9000;
 }
 
+# redirects needs to use X-Forwarded-Proto too
+map $http_x_forwarded_proto $redirectscheme {
+    default $scheme;
+    https https;
+}
+
 server {
 	access_log off;
 
@@ -105,15 +111,15 @@ server {
 	}
 	# CalDAV & CardDAV autoconfig
 	location ~ ^/.well-known/(caldav|carddav)$ {
-		return 301 $scheme://$host/egroupware/groupdav.php/;
+		return 301 $redirectscheme://$host/egroupware/groupdav.php/;
 	}
 	location ~ ^(/principals/users/.*)$ {
-		return 301 $scheme://$host/egroupware/groupdav.php$1;
+		return 301 $redirectscheme://$host/egroupware/groupdav.php$1;
 	}
 	# Nginx does NOT use index for OPTIONS requests breakng WebDAV
 	# for Windows, which sends OPTIONS / and stalls on Nginx 405 response!
 	# This also redirects all requests to root to EGroupware.
 	location = / {
-		return 301 $scheme://$host/egroupware/index.php;
+		return 301 $redirectscheme://$host/egroupware/index.php;
 	}
 }