diff --git a/modules/cluster/deployment-options.nix b/modules/cluster/deployment-options.nix
index 0b0e0907..a205f848 100644
--- a/modules/cluster/deployment-options.nix
+++ b/modules/cluster/deployment-options.nix
@@ -14,9 +14,9 @@
       type = with types; listOf str;
       default = builtins.attrNames (
         lib.filterAttrs (net: { hosts4, hosts6, ... }:
-          hosts4 ? ${hostName} ||
+          hosts4 ? ${config.networking.hostName} ||
           lib.filterAttrs (ctx: hosts6:
-            hosts6 ? ${hostName}
+            hosts6 ? ${config.networking.hostName}
           ) hosts6 != {}
         ) zentralwerk.lib.config.site.net
       );