diff --git a/application/views/scripts/authentication/login.phtml b/application/views/scripts/authentication/login.phtml
index d6a060cc6..110fba19e 100644
--- a/application/views/scripts/authentication/login.phtml
+++ b/application/views/scripts/authentication/login.phtml
@@ -6,7 +6,7 @@
   </div>
   <div class="form" data-base-target="layout">
     <?php if ($requiresSetup): ?>
-    <p class="form-errors"><?= sprintf(
+    <p class="config-note"><?= sprintf(
       $this->translate(
         'It appears that you did not configure Icinga Web 2 yet so it\'s not possible to log in without any defined '
         . 'authentication method. Please define a authentication method by following the instructions in the'
diff --git a/public/css/icinga/login.less b/public/css/icinga/login.less
index 9e808ada8..e0c98681f 100644
--- a/public/css/icinga/login.less
+++ b/public/css/icinga/login.less
@@ -138,7 +138,7 @@
     margin: 0 auto 2.5em;
     text-align: center;
     color: white;
-    background-color: @colorCritical;
+    background-color: @color-critical;
 
     a {
       color: @text-color-inverted;