diff --git a/assets/css/style.css b/assets/css/style.css
index c4cc6e6..c30e1c1 100644
--- a/assets/css/style.css
+++ b/assets/css/style.css
@@ -387,6 +387,14 @@ header {
 .header__sub_claim a:hover {
     text-decoration: none;
 }
+
+.header__button_link {
+    text-decoration: none !important;
+}
+
+.header__button_link:hover {
+    text-decoration: underline !important;
+}
 /* header - Ende */
 
 /* main - Start */
diff --git a/templates/header.html b/templates/header.html
index 33b5a2b..6462428 100644
--- a/templates/header.html
+++ b/templates/header.html
@@ -82,7 +82,7 @@
                 </div>
                 <!-- TODO: Zielseite für "MEMBER WERDEN"-Button -->
                 <button class="header__button sub_claim__button">
-                    <a href={{ '/mitglieder'|url }}>MEMBER WERDEN</a>
+                    <a class="header__button_link" href={{ '/mitglieder'|url }}>MEMBER WERDEN</a>
                 </button>
             </section>
         </div>