diff --git a/plugins/module_utils/user.py b/plugins/module_utils/user.py
index 590d1a4..9de1c6d 100644
--- a/plugins/module_utils/user.py
+++ b/plugins/module_utils/user.py
@@ -286,7 +286,7 @@ def is_hash(password):
 def user_mod(cursor, user, host, host_all, password, encrypted,
              plugin, plugin_hash_string, plugin_auth_string, salt, new_priv,
              append_privs, subtract_privs, attributes, tls_requires, module,
-             password_expire, password_expire_interval, locked=False, role=False, maria_role=False):
+             password_expire, password_expire_interval, locked=None, role=False, maria_role=False):
     changed = False
     msg = "User unchanged"
     grant_option = False
@@ -558,7 +558,7 @@ def user_mod(cursor, user, host, host_all, password, encrypted,
             if attribute_support:
                 final_attributes = attributes_get(cursor, user, host)
 
-        if not role and user_is_locked(cursor, user, host) != locked:
+        if not role and locked is not None and user_is_locked(cursor, user, host) != locked:
             if not module.check_mode:
                 if locked:
                     cursor.execute("ALTER USER %s@%s ACCOUNT LOCK", (user, host))
diff --git a/plugins/modules/mysql_user.py b/plugins/modules/mysql_user.py
index 075add9..9a89fc0 100644
--- a/plugins/modules/mysql_user.py
+++ b/plugins/modules/mysql_user.py
@@ -234,6 +234,7 @@ author:
 - Lukasz Tomaszkiewicz (@tomaszkiewicz)
 - kmarse (@kmarse)
 - Laurent Indermühle (@laurent-indermuehle)
+- E.S. Rosenberg (@Keeper-of-the-Keys)
 
 extends_documentation_fragment:
 - community.mysql.mysql
@@ -486,7 +487,7 @@ def main():
         column_case_sensitive=dict(type='bool', default=None),  # TODO 4.0.0 add default=True
         password_expire=dict(type='str', choices=['now', 'never', 'default', 'interval'], no_log=True),
         password_expire_interval=dict(type='int', required_if=[('password_expire', 'interval', True)], no_log=True),
-        locked=dict(type='bool', default='false'),
+        locked=dict(type='bool'),
     )
     module = AnsibleModule(
         argument_spec=argument_spec,