diff --git a/roles/kube-master/tasks/main.yml b/roles/kube-master/tasks/main.yml
index 5e54515..22b0805 100644
--- a/roles/kube-master/tasks/main.yml
+++ b/roles/kube-master/tasks/main.yml
@@ -61,7 +61,7 @@
 - name: Injeta configuração defensiva no ConfigMap
   ansible.builtin.replace:
     path: /tmp/kube-flannel.yml
-    regexp: 'net-conf.json: \|[\s\S]+?\n\s+\}'
+    regexp: 'net-conf.json: \|(\n[ ]{4,}.*)+?\n[ ]{2,}\}'
     replace: |
       net-conf.json: |
         {
@@ -70,7 +70,7 @@
             "Type": "vxlan"
           },
           "Interface": "eth1"
-        
+        }
 
 - name: cat flannel
   shell: |