diff --git a/roles/kvm/tasks/main.yml b/roles/kvm/tasks/main.yml
index 89454dc..cf41148 100644
--- a/roles/kvm/tasks/main.yml
+++ b/roles/kvm/tasks/main.yml
@@ -81,11 +81,11 @@
     src: cpu-mitigations.cfg
     dest: /etc/default/grub.d/cpu-mitigations.cfg
     mode: 0644
-  register: grub-mitigations
+  register: grub_mitigations
   when: intel_check.stdout != "0"
 
 - name: Regenerate grub's config file
   shell: update-grub
   notify:
     - reboot
-  when: grub-mitigations.changed
+  when: grub_mitigations.changed