diff --git a/lib/default.nix b/lib/default.nix
index e993cb11..9da0a443 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -148,9 +148,7 @@ in {
                 addr = hostRegistry.hosts.${host}.${key};
               in if result ? "${addr}"
                  then result // {
-                   "${addr}" = lib.unique (
-                     result.${addr} ++ [ host ]
-                   );
+                   "${addr}" = result.${addr} ++ [ host ];
                  }
                  else result // {
                    "${addr}" = [ host ];