diff --git a/roles/kube_prometheus_stack/defaults/main.yml b/roles/kube_prometheus_stack/defaults/main.yml
index 2b04c19..47f2602 100644
--- a/roles/kube_prometheus_stack/defaults/main.yml
+++ b/roles/kube_prometheus_stack/defaults/main.yml
@@ -24,4 +24,4 @@
 kube_prometheus_stack_grafana_ingress_class_name: "{{ kube_prometheus_stack_ingress_class_name }}"
 # kube_prometheus_stack_grafana_host:
 
-kube_prometheus_stack_admin_password: "{{ undef('You must specify a Grafana password using kube_prometheus_stack_admin_password') }}"
+kube_prometheus_stack_grafana_admin_password: "{{ undef('You must specify a Grafana password using kube_prometheus_stack_grafana_admin_password') }}"