diff --git a/nginx.conf b/nginx.conf
index bbf8989..89735ba 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -48,6 +48,6 @@ http {
   server {
     listen 80;
     server_name www.uechi.io;
-    return 301 https://uechi.io$request_uri;
+    return 301 $scheme://uechi.io$request_uri;
   }
 }