diff --git a/lib/ansible/plugins/strategy/__init__.py b/lib/ansible/plugins/strategy/__init__.py
index 7aabf05f09..4e20741268 100644
--- a/lib/ansible/plugins/strategy/__init__.py
+++ b/lib/ansible/plugins/strategy/__init__.py
@@ -285,7 +285,7 @@ class StrategyBase:
 
                     if task.delegate_to is not None:
                         task_vars = self._variable_manager.get_vars(loader=self._loader, play=iterator._play, host=host, task=task)
-                        add_tqm_variables(task_vars, play=iterator._play)
+                        self.add_tqm_variables(task_vars, play=iterator._play)
                         if item is not None:
                             task_vars['item'] = item
                         templar = Templar(loader=self._loader, variables=task_vars)