diff --git a/BTCPayServer/Views/UIAccount/LoginWithFido2.cshtml b/BTCPayServer/Views/UIAccount/LoginWithFido2.cshtml
index f5f9dca2e..f3bffcb9a 100644
--- a/BTCPayServer/Views/UIAccount/LoginWithFido2.cshtml
+++ b/BTCPayServer/Views/UIAccount/LoginWithFido2.cshtml
@@ -17,7 +17,7 @@
                 <span>If your security device has a button, tap on it.</span>
             </div>
         </div>
-        <button id="btn-start" class="btn btn-outline-primary d-none" type="button">Start</button>
+        <button id="btn-start" class="btn btn-primary d-none" type="button">Start</button>
         <p id="error-message" class="d-none alert alert-danger"></p>
         <button id="btn-retry" class="btn btn-secondary d-none" type="button">Retry</button>
     </div>