diff --git a/libraries/botbuilder-schema/botbuilder/schema/teams/_models_py3.py b/libraries/botbuilder-schema/botbuilder/schema/teams/_models_py3.py
index 3f0f9689f..bb860c8da 100644
--- a/libraries/botbuilder-schema/botbuilder/schema/teams/_models_py3.py
+++ b/libraries/botbuilder-schema/botbuilder/schema/teams/_models_py3.py
@@ -1903,7 +1903,7 @@ class TeamsChannelAccount(ChannelAccount):
         "surname": {"key": "surname", "type": "str"},
         "email": {"key": "email", "type": "str"},
         "user_principal_name": {"key": "userPrincipalName", "type": "str"},
-        "aad_object_id": {"key": "objectId", "type": "str"},
+        "aad_object_id": {"key": "aadObjectId", "type": "str"},
         "tenant_id": {"key": "tenantId", "type": "str"},
         "user_role": {"key": "userRole", "type": "str"},
     }