diff --git a/Caddyfile b/Caddyfile
index 4f666e5..aaba693 100644
--- a/Caddyfile
+++ b/Caddyfile
@@ -1,7 +1,7 @@
 :80 {
 	root * /var/www/html
 	php_fastcgi wordpress:9000 {
-		header_up X-Forwarded-Proto https
+		header_up +X-Forwarded-Proto https
 	}
 	encode gzip
 	file_server