diff --git a/modules/server/services/headscale.nix b/modules/server/services/headscale.nix
index 4fc59bb8..ec5a12b9 100644
--- a/modules/server/services/headscale.nix
+++ b/modules/server/services/headscale.nix
@@ -60,7 +60,7 @@ in {
         dns = {
           magic_dns = true;
           #override_local_dns = true;
-          base_Domain = "sa.ko";
+          base_domain = "sa.ko";
 
           domains = [ "sa.ko" ];