diff --git a/nix/nixos-module/container/dnscache.nix b/nix/nixos-module/container/dnscache.nix
index 033bf87..9d8c076 100644
--- a/nix/nixos-module/container/dnscache.nix
+++ b/nix/nixos-module/container/dnscache.nix
@@ -12,7 +12,7 @@ lib.mkIf config.site.hosts.${hostName}.services.dnscache.enable {
         num-threads = 4;
         verbosity = 1;
         prefetch = true;
-        prefetch-keys = true;
+        prefetch-key = true;
         serve-expired = true;
         cache-min-ttl = 60;
         cache-max-ttl = 3600;