diff --git a/main.py b/main.py
index a46c30d..a0a1937 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='%(user)s'", {'user' : user}) 
     if c.fetchall() == []:
         c.execute("INSERT or IGNORE INTO users (username, balance) VALUES ('%(user)s', 0)", {'user' : user} )
         conn.commit()