diff --git a/nixos/modules/services/cluster/fleet.nix b/nixos/modules/services/cluster/fleet.nix
index 041f44269118..78d4ea93c491 100644
--- a/nixos/modules/services/cluster/fleet.nix
+++ b/nixos/modules/services/cluster/fleet.nix
@@ -120,7 +120,7 @@ in {
         FLEET_PUBLIC_IP = cfg.publicIp;
         FLEET_ETCD_CAFILE = cfg.etcdCafile;
         FLEET_ETCD_KEYFILE = cfg.etcdKeyfile;
-        FEELT_ETCD_CERTFILE = cfg.etcdCertfile;
+        FLEET_ETCD_CERTFILE = cfg.etcdCertfile;
         FLEET_METADATA = cfg.metadata;
       } // cfg.extraConfig;
       serviceConfig = {