diff --git a/bot/main.py b/bot/main.py
index 4a88660..77d1d6c 100644
--- a/bot/main.py
+++ b/bot/main.py
@@ -34,6 +34,14 @@ async def command_start_handler(message: Message) -> None:
 @router.callback_query()
 async def process_callback(callback_query: CallbackQuery):
     cbq = vars(callback_query)
+    cbq["from"] = vars(callback_query.from_user)
+    cbq["message"] = vars(callback_query.message)
+    cbq["message"]["chat"] = vars(callback_query.message.chat)
+    data = cbq["data"]
+    if data.startswith("vouch"):
+        await handle_button(cbq)
+    elif data.startswith("unlink"):
+        await handle_unlink(cbq, state)
     try:
         cbq["from"] = vars(callback_query.from_user)
         cbq["message"] = vars(callback_query.message)
diff --git a/bot/utils/mention.py b/bot/utils/mention.py
index d420f71..ccbb0b3 100644
--- a/bot/utils/mention.py
+++ b/bot/utils/mention.py
@@ -13,7 +13,7 @@ def mention(user):
 
 def userdata_extract(user):
     ln = " " + user.get('last_name') if user.get('last_name') else ""
-    identity = f"{user['first_name']}{ln})}".strip()
+    identity = f"{user['first_name']}{ln}"
     uid = user["id"]
     username = user.get("username", "")
     if username: