diff --git a/lib/ansible/playbook/role_include.py b/lib/ansible/playbook/role_include.py
index d502a34bb31..0ba26c90e6c 100644
--- a/lib/ansible/playbook/role_include.py
+++ b/lib/ansible/playbook/role_include.py
@@ -49,6 +49,7 @@ class IncludeRole(Task):
     # private as this is a 'module options' vs a task property
     _allow_duplicates = FieldAttribute(isa='bool', default=True, private=True)
     _private = FieldAttribute(isa='bool', default=None, private=True)
+    _static = FieldAttribute(isa='bool', default=None)
 
     def __init__(self, block=None, role=None, task_include=None):