diff --git a/matrix_appservice_kakaotalk/kt/types/user/channel_user_info.py b/matrix_appservice_kakaotalk/kt/types/user/channel_user_info.py
index 2f44a7a..42908e9 100644
--- a/matrix_appservice_kakaotalk/kt/types/user/channel_user_info.py
+++ b/matrix_appservice_kakaotalk/kt/types/user/channel_user_info.py
@@ -13,6 +13,8 @@
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import Optional
+
 from attr import dataclass
 
 from ..openlink.open_link_type import OpenChannelUserPerm
@@ -36,12 +38,12 @@ class ChannelUserInfo(DisplayUserInfo):
 
 @dataclass
 class NormalChannelUserInfo(ChannelUserInfo):
-    countryIso: str
     accountId: int
     statusMessage: str
     linkedServices: str
     ut: int
-    suspended: bool
+    countryIso: Optional[str] = None # NOTE Made optional
+    suspended: Optional[bool] = None # NOTE Made optional
 
 
 @dataclass