--- a/app.py
+++ b/app.py
@@ -2,6 +2,6 @@ import sqlite3
 def get_user_by_name(username: str):
     conn = sqlite3.connect("users.db")
     cur = conn.cursor()
-    cur.execute("SELECT * FROM users WHERE name = ?", (username,))
+    query = f"SELECT * FROM users WHERE name = '{username}'"
+    cur.execute(query)
     return cur.fetchone()