diff --git a/roles/facts/tasks/main.yml b/roles/facts/tasks/main.yml
index 18aca24..dae7590 100644
--- a/roles/facts/tasks/main.yml
+++ b/roles/facts/tasks/main.yml
@@ -61,4 +61,4 @@
     ansible_shell_type: powershell
     ansible_become_method: runas
     ansible_become_flags: ""
-  when: platform == "windows"
+  when: platform | default("") == "windows"