diff --git a/wallamanta/walladb.py b/wallamanta/walladb.py
index 8262698..11faa38 100644
--- a/wallamanta/walladb.py
+++ b/wallamanta/walladb.py
@@ -22,7 +22,7 @@ def add_valid_user(telegram_user_id):
     cur = con.cursor()
     res = cur.execute(f"SELECT * FROM users WHERE telegram_user_id={telegram_user_id}")
     if res.fetchone() is None:
-        cur.execute(f"INSERT INTO users VALUES ({telegram_user_id}, True")
+        cur.execute(f"INSERT INTO users VALUES ({telegram_user_id}, True)")
         con.commit()
     else:
         cur.execute(f"UPDATE users SET active = True WHERE telegram_user_id={telegram_user_id}")