diff --git a/machines/fuuko/services/hydra.nix b/machines/fuuko/services/hydra.nix
index 6b51d1a..6421322 100644
--- a/machines/fuuko/services/hydra.nix
+++ b/machines/fuuko/services/hydra.nix
@@ -22,6 +22,7 @@ in
 
     extraConfig = ''
       store_uri = file:///data/cache/nix-binary-cache?secret-key=${config.sops.secrets.binary-cache-secret-key.path}
+      server_store_uri = file:///data/cache/nix-binary-cache
 
       upload_logs_to_binary_cache = true
     '';