diff --git a/packages.nix b/packages.nix
index ebd2d1a6..966833ca 100644
--- a/packages.nix
+++ b/packages.nix
@@ -3,9 +3,9 @@
 let
   getHostAddr = name:
     let
-      hostConf = hostRegistry."${name}";
+      hostConf = hostRegistry."${name}" or (throw "Host ${name} has no ip4 or ip6 address");
     in
-      hostConf.ip4 or (hostConf.ip6 or (throw "Host ${name} has no ip4 or ip6 address"));
+      hostConf.ip4 or hostConf.ip6;
 
   # all the input flakes for `nix copy` to the build machine,
   # allowing --override-input