diff --git a/roles/kube-node/tasks/main.yml b/roles/kube-node/tasks/main.yml
index 395bd85..28c15cd 100644
--- a/roles/kube-node/tasks/main.yml
+++ b/roles/kube-node/tasks/main.yml
@@ -2,9 +2,19 @@
   hostname:
     name: "ubuntu-{{ ansible_play_hosts.index(inventory_hostname) }}"
 
+
+- name: Verificar se o nó já está no cluster
+  become: true
+  shell: |
+    kubectl get nodes --no-headers | grep -w $(hostname) || echo "NOT_IN_CLUSTER"
+  register: node_status
+  changed_when: false
+
 - name: Join Kubernetes cluster
   shell: "{{ hostvars['master1']['kubeadm_join_command'] }}"
-  when: hostvars['master1']['kubeadm_join_command'] is defined
+  when: 
+    - hostvars['master1']['kubeadm_join_command'] is defined
+    - "'NOT_IN_CLUSTER' in node_status.stdout"
 
 - name: Obter hostname real do nó
   become: true