diff --git a/nix-system-configs/modules/system/traefik.nix b/nix-system-configs/modules/system/traefik.nix
index f635ae0..71ebf99 100644
--- a/nix-system-configs/modules/system/traefik.nix
+++ b/nix-system-configs/modules/system/traefik.nix
@@ -257,7 +257,10 @@ in {
               domains = [
                 {
                   main = "prg-radio.org";
-                  sans = ["*.prg-radio.org"];
+                  sans = [
+                    "*.prg-radio.org"
+                    "*.pelican.prg-radio.org"
+                  ];
                 }
               ];
             };
@@ -652,6 +655,10 @@ in {
       defaults.email = "dtu.prg@gmail.com";
       certs."prg-radio.org" = {
         domain = "*.prg-radio.org";
+        extraDomainNames = [
+          "*.prg-radio.org"
+          "*.pelican.prg-radio.org"
+        ];
         group = "acme";
         dnsProvider = "cloudflare";
         environmentFile = "/home/traefikprg/cloudflare/cloudflare.env";