diff --git a/views/admin/billing.ejs b/views/admin/billing.ejs
index d1f8b09..d69a05b 100644
--- a/views/admin/billing.ejs
+++ b/views/admin/billing.ejs
@@ -17,6 +17,7 @@
       <a href="/admin#kategorien" class="nav-link">🏷️ Kategorien</a>
       <a href="/admin#mitglieder" class="nav-link">👥 Mitglieder</a>
       <a href="/admin/billing" class="nav-link active">💶 Abrechnung</a>
+      <a href="/admin/finance" class="nav-link">📊 Finanzen</a>
       <a href="/admin#einstellungen" class="nav-link">⚙️ Einstellungen</a>
     </nav>
     <div class="sidebar-footer">
@@ -154,6 +155,13 @@
                       <button type="submit" class="btn btn-sm btn-success" title="Als bezahlt markieren">✅</button>
                     </form>
                   <% } %>
+                  <% if (inv.status !== 'cancelled') { %>
+                    <form method="POST" action="/admin/billing/invoices/<%= inv.id %>/cancel" style="display:inline"
+                          onsubmit="return confirm('Rechnung PF24-' + String(<%= inv.id %>).padStart(6,'0') + ' wirklich stornieren?')">
+                      <input type="hidden" name="period" value="<%= period %>">
+                      <button type="submit" class="btn btn-sm btn-danger" title="Stornieren">🚫</button>
+                    </form>
+                  <% } %>
                 </div>
               </td>
             </tr>
diff --git a/views/admin/member-detail.ejs b/views/admin/member-detail.ejs
index 7f808af..dfadb47 100644
--- a/views/admin/member-detail.ejs
+++ b/views/admin/member-detail.ejs
@@ -16,6 +16,8 @@
       <a href="/admin" class="nav-link">📋 Tarife</a>
       <a href="/admin#kategorien" class="nav-link">🏷️ Kategorien</a>
       <a href="/admin#mitglieder" class="nav-link active">👥 Mitglieder</a>
+      <a href="/admin/billing" class="nav-link">💶 Abrechnung</a>
+      <a href="/admin/finance" class="nav-link">📊 Finanzen</a>
       <a href="/admin#einstellungen" class="nav-link">⚙️ Einstellungen</a>
     </nav>
     <div class="sidebar-footer">