diff --git a/tests/ansible/hosts/group_vars/all.yml b/tests/ansible/hosts/group_vars/all.yml
index fa70b89d..6f518cad 100644
--- a/tests/ansible/hosts/group_vars/all.yml
+++ b/tests/ansible/hosts/group_vars/all.yml
@@ -12,12 +12,12 @@ become_unpriv_available: >-
   {{-
     (
       not is_mitogen
-      and ansible_facts.distribution in ["MacOSX"]
+      and is_macos_controller
       and ansible_version.full is version("2.11", ">=", strict=True)
     )
     or (
       is_mitogen
-      and not ansible_facts.distribution in ["MacOSX"]
+      and not is_macos_controller
     )
     or (
       is_mitogen
diff --git a/tests/ansible/run_ansible_playbook.py b/tests/ansible/run_ansible_playbook.py
index 04c0c9db..c225a123 100755
--- a/tests/ansible/run_ansible_playbook.py
+++ b/tests/ansible/run_ansible_playbook.py
@@ -2,6 +2,7 @@
 # Wrap ansible-playbook, setting up some test of the test environment.
 import json
 import os
+import platform
 import sys
 
 GIT_BASEDIR = os.path.dirname(
@@ -36,6 +37,7 @@ os.environ['PATH'] = '%s%s%s' % (
 )
 
 extra = {
+    'is_macos_controller': platform.system() == 'Darwin',
     'is_mitogen': os.environ.get('ANSIBLE_STRATEGY', '').startswith('mitogen'),
     'git_basedir': GIT_BASEDIR,
 }