diff --git a/nixos/modules/jitsi.nix b/nixos/modules/jitsi.nix
index ca2a8a7..23f12b4 100644
--- a/nixos/modules/jitsi.nix
+++ b/nixos/modules/jitsi.nix
@@ -15,6 +15,7 @@ in
     enable = mkEnableOption "mathebau jitsi service";
     hostName = mkOption {
       type = str;
+      default = null;
     };
     localAddress = mkOption {
       type = str;