diff --git a/lib/ansible/plugins/action/add_host.py b/lib/ansible/plugins/action/add_host.py
index c41c89d01e..9b46e5dd28 100644
--- a/lib/ansible/plugins/action/add_host.py
+++ b/lib/ansible/plugins/action/add_host.py
@@ -41,7 +41,7 @@ class ActionModule(ActionBase):
 
     def run(self, tmp=None, task_vars=None):
 
-        self._supports_check_mode = False
+        self._supports_check_mode = True
 
         result = super(ActionModule, self).run(tmp, task_vars)