diff --git a/bot.py b/bot.py
index e606713..5980f4b 100644
--- a/bot.py
+++ b/bot.py
@@ -242,7 +242,8 @@ class TelegramMonitorBot:
                 return
 
             if self.id_exists(user.id):
-                self.log_message(user.id, update.message.text)
+                self.log_message(user.id, update.message.text,
+                                 update.message.chat_id)
             else:
                 add_user_success = self.add_user(
                     user.id,
@@ -251,7 +252,8 @@ class TelegramMonitorBot:
                     user.username)
 
                 if add_user_success:
-                    self.log_message(user.id, update.message.text)
+                    self.log_message(
+                        user.id, update.message.text, update.message.chat_id)
                     print("User added: {}".format(user.id))
                 else:
                     print("Something went wrong adding the user {}".format(user.id), file=sys.stderr)
@@ -301,10 +303,10 @@ class TelegramMonitorBot:
         return bool_set
 
 
-    def log_message(self, user_id, user_message):
+    def log_message(self, user_id, user_message, chat_id):
         try:
             s = session()
-            msg1 = Message(user_id=user_id, message=user_message)
+            msg1 = Message(user_id=user_id, message=user_message, chat_id=chat_id)
             s.add(msg1)
             s.commit()
             s.close()
diff --git a/model.py b/model.py
index 46f4909..d49c715 100644
--- a/model.py
+++ b/model.py
@@ -1,4 +1,4 @@
-from sqlalchemy import Column, DateTime, String, Integer, ForeignKey, func
+from sqlalchemy import Column, DateTime, BigInteger, String, Integer, ForeignKey, func
 from sqlalchemy.orm import relationship, backref
 from sqlalchemy.ext.declarative import declarative_base
 import os
@@ -27,6 +27,7 @@ class Message(Base):
     id = Column(Integer, primary_key=True)
     user_id = Column(Integer, ForeignKey('telegram_users.id'), nullable=False)
     message = Column(String)
+    chat_id = Column(BigInteger)
     time = Column(DateTime, default=func.now())