diff --git a/nixos/hosts/frankfurt-linode-01/containers/derp.nix b/nixos/hosts/frankfurt-linode-01/containers/derp.nix
index e16f4c0b..77445c1f 100644
--- a/nixos/hosts/frankfurt-linode-01/containers/derp.nix
+++ b/nixos/hosts/frankfurt-linode-01/containers/derp.nix
@@ -13,7 +13,7 @@
       DERP_ADDR = ":1443";
       DERP_CERT_DIR = "/app/certs";
       DERP_CERT_MODE = "manual";
-      DERP_DOMAIN = "milan.sysctl.io";
+      DERP_DOMAIN = "frankfurt.sysctl.io";
       DERP_STUN = "true";
       DERP_VERIFY_CLIENTS = "true";
     };