diff --git a/app/templates/base.html b/app/templates/base.html
index 55a413c..cd61f15 100644
--- a/app/templates/base.html
+++ b/app/templates/base.html
@@ -22,6 +22,8 @@
     .log .level-warning { color: #d97706; }
     form p { margin: 0.75rem 0; }
     label { display: block; font-weight: 600; }
+    .btn-link { background: none; border: none; padding: 0; color: #0366d6; cursor: pointer; font: inherit; text-decoration: none; }
+    .btn-link:hover { text-decoration: underline; }
   </style>
 </head>
 <body>
@@ -31,7 +33,11 @@
     <a href="{% url 'job-create' %}">Neuer Serienbrief</a>
     <span style="margin-left:auto">
       {% if user.is_authenticated %}
-        {{ user.username }} · <a href="{% url 'logout' %}">Abmelden</a>
+        {{ user.username }} ·
+        <form method="post" action="{% url 'logout' %}" style="display:inline">
+          {% csrf_token %}
+          <button type="submit" class="btn-link">Abmelden</button>
+        </form>
       {% endif %}
     </span>
   </nav>
