diff --git a/index.html b/index.html
index 165b0bf..81b2703 100644
--- a/index.html
+++ b/index.html
@@ -45,10 +45,10 @@
             <button class="lang-btn" data-lang="de">DE</button>
             <button class="lang-btn" data-lang="en">EN</button>
           </div>
-          <button class="btn btn-outline" id="login-btn">
+          <a href="https://t.me/+2s0N78kM5n4xMzBi" target="_blank" rel="noopener" class="btn btn-outline" id="login-btn">
             <span class="hide-de">Anmelden</span>
             <span class="hide-en">Login</span>
-          </button>
+          </a>
           <button class="btn btn-primary" id="logout-btn" style="display:none;" onclick="logout()">
             <span class="hide-de">Abmelden</span>
             <span class="hide-en">Logout</span>