diff --git a/hosts/hydra-1/configuration.nix b/hosts/hydra-1/configuration.nix
index 4a9ab14..38930f1 100644
--- a/hosts/hydra-1/configuration.nix
+++ b/hosts/hydra-1/configuration.nix
@@ -53,6 +53,10 @@
     port = 5005;
     bindAddress = "127.0.0.1";
     secretKeyFile = "/var/src/secrets/nix-serve/secret-key.key";
+    # Workaround https://github.com/NixOS/nix/issues/7704#issuecomment-1409480909
+    package = pkgs.nix-serve.override {
+      nix = pkgs.nixVersions.nix_2_12;
+    };
   };
 
   services.nginx.enable = true;