diff --git a/roles/bank/tasks/login.yaml b/roles/bank/tasks/login.yaml
index cd0f9ba..7ed568e 100644
--- a/roles/bank/tasks/login.yaml
+++ b/roles/bank/tasks/login.yaml
@@ -11,6 +11,7 @@
   ansible.builtin.blockinfile:
     path: /etc/ssh/sshd_config
     insertafter: EOF
+    validate: "/usr/sbin/sshd -t -f %s"
     block: |-
       Match User bank
           PasswordAuthentication yes