diff --git a/roles/provision_vcenter/tasks/deploy_from_iso.yml b/roles/provision_vcenter/tasks/deploy_from_iso.yml
index 9113b9c6..d12173e1 100644
--- a/roles/provision_vcenter/tasks/deploy_from_iso.yml
+++ b/roles/provision_vcenter/tasks/deploy_from_iso.yml
@@ -17,7 +17,7 @@
       ansible.builtin.include_tasks: "{{ item }}"
       with_first_found:
         - files:
-            - mount_{{ ansible_os_family }}.yml
+            - mount_{{ ansible_os_family | lower }}.yml
             - mount_default.yml
           paths:
             - os_specific_iso_actions
@@ -36,7 +36,7 @@
       ansible.builtin.include_tasks: "{{ item }}"
       with_first_found:
         - files:
-            - unmount_{{ ansible_os_family }}.yml
+            - unmount_{{ ansible_os_family | lower }}.yml
             - unmount_default.yml
           paths:
             - os_specific_iso_actions
diff --git a/roles/provision_vcenter/tasks/os_specific_iso_actions/mount_Darwin.yml b/roles/provision_vcenter/tasks/os_specific_iso_actions/mount_darwin.yml
similarity index 100%
rename from roles/provision_vcenter/tasks/os_specific_iso_actions/mount_Darwin.yml
rename to roles/provision_vcenter/tasks/os_specific_iso_actions/mount_darwin.yml
diff --git a/roles/provision_vcenter/tasks/os_specific_iso_actions/unmount_Darwin.yml b/roles/provision_vcenter/tasks/os_specific_iso_actions/unmount_darwin.yml
similarity index 100%
rename from roles/provision_vcenter/tasks/os_specific_iso_actions/unmount_Darwin.yml
rename to roles/provision_vcenter/tasks/os_specific_iso_actions/unmount_darwin.yml