diff --git a/app.py b/app.py
index 0dafdb9..ca069e6 100644
--- a/app.py
+++ b/app.py
@@ -30,8 +30,7 @@ def login_post():
 
     auth_token = db.login(username, password)
     if auth_token is None:
-        flash('Nieprawidłowa nazwa użytkownika lub hasło.', 'error')
-        return redirect(url_for('/'))
+        return render_template('login.html', incorrect="Incorrect username or password!")
     
     response = make_response(render_template('index.html'))
     response.set_cookie('auth_token', auth_token)
diff --git a/templates/login.html b/templates/login.html
index db1b17e..22d0a45 100644
--- a/templates/login.html
+++ b/templates/login.html
@@ -57,6 +57,7 @@
         <input type="password" id="password" name="password" placeholder="Wprowadź hasło">
 
         <input type="submit" value="Zaloguj się">
+        <h2 color="red">{{incorrect}}<h2>
       </form>
     </div>
   </body>