diff --git a/tests/ansible/run_ansible_playbook.py b/tests/ansible/run_ansible_playbook.py
index 51f864f4..b5b459a1 100755
--- a/tests/ansible/run_ansible_playbook.py
+++ b/tests/ansible/run_ansible_playbook.py
@@ -46,6 +46,10 @@ if '-i' in sys.argv:
     extra['MITOGEN_INVENTORY_FILE'] = (
         os.path.abspath(sys.argv[1 + sys.argv.index('-i')])
     )
+else:
+    extra['MITOGEN_INVENTORY_FILE'] = (
+        os.path.join(GIT_BASEDIR, 'tests/ansible/hosts')
+    )
 
 args = ['ansible-playbook']
 args += ['-e', json.dumps(extra)]