diff --git a/derper/derper.env b/derper/derper.env
index 22bb2a8..69f4766 100644
--- a/derper/derper.env
+++ b/derper/derper.env
@@ -1,6 +1,6 @@
-DOMAIN=headscale.jmsu.top
+DOMAIN=derper.jmsu.top
 
-HEADSCALE_HOSTNAME=headscale.jmsu.top
+HEADSCALE_HOSTNAME=derper.jmsu.top
 CERT_DIR=/app/certs
 STUN_PORT=3478
 HTTP_PORT=-1