diff --git a/rootfs/etc/confd/templates/nginx.conf.tmpl b/rootfs/etc/confd/templates/nginx.conf.tmpl
index 9d53605..3f53ebf 100644
--- a/rootfs/etc/confd/templates/nginx.conf.tmpl
+++ b/rootfs/etc/confd/templates/nginx.conf.tmpl
@@ -48,7 +48,7 @@ http {
 
         location /.well-known/acme-challenge { }
 
-        client_max_body_size {{getenv "MAXUPLOADSIZE"}};
+        client_max_body_size {{getenv "MAX_UPLOAD_SIZE"}};
         fastcgi_buffers 64 4K;
 
         error_page 403 /core/templates/403.php;
@@ -103,4 +103,4 @@ http {
             access_log off;
         }
     }
-}
\ No newline at end of file
+}