diff --git a/src/Application/Controller/d3_account_webauthn.php b/src/Application/Controller/d3_account_webauthn.php
index 33cf940..1820dc1 100755
--- a/src/Application/Controller/d3_account_webauthn.php
+++ b/src/Application/Controller/d3_account_webauthn.php
@@ -45,6 +45,8 @@ class d3_account_webauthn extends AccountController
 
         $this->addTplParam('user', $this->getUser());
 
+        $this->addTplParam('readonly',  (bool) !(oxNew(Webauthn::class)->isAvailable()));
+
         return $sRet;
     }
 
diff --git a/src/Application/Model/Webauthn.php b/src/Application/Model/Webauthn.php
index cf7a846..34f691f 100644
--- a/src/Application/Model/Webauthn.php
+++ b/src/Application/Model/Webauthn.php
@@ -34,7 +34,10 @@ class Webauthn
             return true;
         }
 
-        Registry::getUtilsView()->addErrorToDisplay('WebAuthn is available on secure connections only.');
+        Registry::getUtilsView()->addErrorToDisplay(
+            Registry::getLang()->translateString('D3_WEBAUTHN_ERR_UNSECURECONNECTION', null, true)
+        );
+
         return false;
     }
 
diff --git a/src/Application/views/admin/de/d3webauthn_lang.php b/src/Application/views/admin/de/d3webauthn_lang.php
index 7f145a2..658ad39 100755
--- a/src/Application/views/admin/de/d3webauthn_lang.php
+++ b/src/Application/views/admin/de/d3webauthn_lang.php
@@ -31,6 +31,8 @@ $aLang = [
     'D3_WEBAUTHN_ADDKEY'                              => 'Sicherheitsschlüssel hinzufügen',
 
     'D3_WEBAUTHN_REGISTEREDKEYS'                      => 'registrierte Schlüssel',
+
+    'D3_WEBAUTHN_ERR_UNSECURECONNECTION'              => 'Die Verwendung von Sicherheitsschlüsseln ist nur bei gesicherten Verbindungen (https) möglich.',
 /*
     'D3_TOTP_QRCODE'                                  => 'QR-Code',
     'D3_TOTP_QRCODE_HELP'                             => 'Scannen Sie diesen QR-Code mit Ihrer Authentisierungs-App, um dieses Benutzerkonto dort zu hinterlegen.',
diff --git a/src/Application/views/admin/en/d3webauthn_lang.php b/src/Application/views/admin/en/d3webauthn_lang.php
index b89818d..70e724b 100755
--- a/src/Application/views/admin/en/d3webauthn_lang.php
+++ b/src/Application/views/admin/en/d3webauthn_lang.php
@@ -31,6 +31,8 @@ $aLang = [
     'D3_WEBAUTHN_ADDKEY'                              => 'add security key',
 
     'D3_WEBAUTHN_REGISTEREDKEYS'                      => 'registered keys',
+
+    'D3_WEBAUTHN_ERR_UNSECURECONNECTION'              => 'The use of security keys is only possible with secured connections (https).',
 /*
     'D3_TOTP_QRCODE'                                  => 'QR-Code',
     'D3_TOTP_QRCODE_HELP'                             => 'Scannen Sie diesen QR-Code mit Ihrer Authentisierungs-App, um dieses Benutzerkonto dort zu hinterlegen.',
diff --git a/src/Application/views/tpl/d3_account_webauthn.tpl b/src/Application/views/tpl/d3_account_webauthn.tpl
index 01f0af7..ac43812 100755
--- a/src/Application/views/tpl/d3_account_webauthn.tpl
+++ b/src/Application/views/tpl/d3_account_webauthn.tpl
@@ -11,6 +11,12 @@
     [{/capture}]
     [{oxscript add=$smarty.capture.javascripts}]
 
+    [{if $readonly}]
+        [{assign var="readonly" value="readonly disabled"}]
+    [{else}]
+        [{assign var="readonly" value=""}]
+    [{/if}]
+
     <h1 class="page-header">[{oxmultilang ident="D3_WEBAUTHN_ACCOUNT"}]</h1>
 
     <style>