diff --git a/nomad/traefik/traefik.nomad b/nomad/traefik/traefik.nomad
index 3b19e3f..d798ac0 100644
--- a/nomad/traefik/traefik.nomad
+++ b/nomad/traefik/traefik.nomad
@@ -220,6 +220,7 @@ CF_ZONE_API_TOKEN={{ .Data.data.api_token_zone_read }}
     {{ with service "vault" -}}
     [http.services.vault]
       [http.services.vault.loadBalancer]
+        [http.services.vault.loadBalancer.sticky.cookie]
         {{ range . -}}
         [[http.services.vault.loadBalancer.servers]]
           url = "http://{{ .Address }}:{{ .Port }}"