diff --git a/docker/configs/nginx.conf b/docker/configs/nginx.conf
index e566a0c..51cd06f 100644
--- a/docker/configs/nginx.conf
+++ b/docker/configs/nginx.conf
@@ -1,13 +1,19 @@
+map $http_x_forwarded_proto $forwarded_scheme {
+        default $scheme;
+        http http;
+        https https;
+}
+
 server {
         listen 80 default_server;
         listen [::]:80 default_server;
 
         root /var/www/mapguesser/public;
-
         index index.php index.html index.htm index.nginx-debian.html;
-
         server_name mapguesser-dev.ch;
 
+        set $scheme $forwarded_scheme;
+
         location / {
                 try_files $uri $uri/ /index.php?$args;
         }