become_prompt.diff

diff --git a/lib/ansible/executor/task_executor.py b/lib/ansible/executor/task_executor.py
index 5782c93c83..b887f6c8a8 100644
--- a/lib/ansible/executor/task_executor.py
+++ b/lib/ansible/executor/task_executor.py
@@ -420,6 +420,7 @@ class TaskExecutor:
                 }
                 if self._connection.become:
                     clear_plugins['become'] = self._connection.become._load_name
+                    self._connection.become.prompt = ''
 
                 for plugin_type, plugin_name in iteritems(clear_plugins):
                     for var in C.config.get_plugin_vars(plugin_type, plugin_name):

- hosts: localhost  # implicit
  gather_facts: no
  tasks:
    - ping:
      become: yes
      become_user: "{{ item }}"
      loop:
        - root
        - mkrizek  # same as remote_user