diff --git a/nova/core/roles/os_configuration/tasks/linux.yml b/nova/core/roles/os_configuration/tasks/linux.yml
index ff685404..3b73f3d2 100644
--- a/nova/core/roles/os_configuration/tasks/linux.yml
+++ b/nova/core/roles/os_configuration/tasks/linux.yml
@@ -82,3 +82,5 @@
   ansible.builtin.shell: "{{ lookup('template', 'regenerate-machine-id.sh') }}"
   args:
     executable: /bin/bash
+  register: regenerate_machine_id
+  changed_when: regenerate_machine_id.stdout != "done"
diff --git a/nova/core/roles/os_configuration/templates/regenerate-machine-id.sh b/nova/core/roles/os_configuration/templates/regenerate-machine-id.sh
index bfef3683..ba3a1180 100644
--- a/nova/core/roles/os_configuration/templates/regenerate-machine-id.sh
+++ b/nova/core/roles/os_configuration/templates/regenerate-machine-id.sh
@@ -19,6 +19,6 @@ if [[ -z $(grep -r {{ hostname }} /etc/ssh/) ]]; then
 
 else
 
-    echo "SSH host keys and machine-id already generated"
+    echo "done"
 
 fi
\ No newline at end of file