diff --git a/main.py b/main.py
index 5c7d826..5b08a21 100644
--- a/main.py
+++ b/main.py
@@ -112,7 +112,7 @@ def remove_user():
 @app.route("/adduser/user", methods=['GET'])
 def adduser():
     user = request.args.get("username")
-    c.execute("SELECT * FROM users WHERE username=%(user)s", {'user': user}) 
+    c.execute("SELECT * FROM users WHERE username='%s'", user) 
     if c.fetchall() == []:
         c.execute("INSERT or IGNORE INTO users (username, balance) VALUES (%(user)s, 0)", {'user': user})
         conn.commit()