diff --git a/ops/nixos/swann/default.nix b/ops/nixos/swann/default.nix
index 25de4adae4..1de70c03a5 100644
--- a/ops/nixos/swann/default.nix
+++ b/ops/nixos/swann/default.nix
@@ -505,7 +505,7 @@ in {
     '';
   };
 
-  systemd.services.prometheus-bird-exporter.serviceConfig.ExecStart = ''
+  systemd.services.prometheus-bird-exporter.serviceConfig.ExecStart = lib.mkForce ''
     ${depot.pkgs.prometheus-bird-exporter-lfty}/bin/bird_exporter \
       -web.listen-address 0.0.0.0:9324 \
       -bird.socket /var/run/bird.ctl \