diff --git a/proxy/Caddyfile b/proxy/Caddyfile
index 2cf9439..76effb2 100644
--- a/proxy/Caddyfile
+++ b/proxy/Caddyfile
@@ -20,7 +20,7 @@
 }
 
 # HIY dashboard — served at your root domain.
-{$DOMAIN_SUFFIX} {
+{$DOMAIN_SUFFIX:localhost} {
     reverse_proxy server:3000
 }