diff --git a/mirrortea/__main__.py b/mirrortea/__main__.py
index a19c595..5fe98dc 100644
--- a/mirrortea/__main__.py
+++ b/mirrortea/__main__.py
@@ -6,6 +6,16 @@ import sys
 import aiogram as telegram
 import nio as matrix
 
+TELEGRAM_USER_MATRIX_CHATS_SQL = '''
+CREATE TABLE IF NOT EXISTS telegram_user_matrix_chats (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    telegram_user_id INTEGER NOT NULL,
+    matrix_chat_id INTEGER NOT NULL,
+    FOREIGN KEY(telegram_user_id) REFERENCES telegram_users(id),
+    FOREIGN KEY(matrix_chat_id) REFERENCES matrix_chats(id)
+)
+'''
+
 def main():
     config = Config(
         db_path=os.environ['DB_PATH'],
@@ -84,6 +94,11 @@ class SqliteAdapter:
         self.app = app
         self.path = path
         self.conn = sqlite3.connect(path)
+        self._create_tables()
+
+    def _create_tables(self):
+        self.conn.execute(TELEGRAM_USER_MATRIX_CHATS_SQL)
+        self.conn.commit()
 
 if __name__ == '__main__':
     main()