diff --git a/nixos/Caddyfile b/nixos/Caddyfile
index 047480e..76e45e6 100644
--- a/nixos/Caddyfile
+++ b/nixos/Caddyfile
@@ -2,6 +2,6 @@
     auto_https off
 }
 
-mainframe.philippeterson.com:9482 {
+http://mainframe.philippeterson.com:9482 {
     respond "Hello, world!"
 }