diff --git a/modules/setup/application/forms/AuthenticationPage.php b/modules/setup/application/forms/AuthenticationPage.php
index 1377ce230..fdc076e60 100644
--- a/modules/setup/application/forms/AuthenticationPage.php
+++ b/modules/setup/application/forms/AuthenticationPage.php
@@ -55,7 +55,7 @@ class AuthenticationPage extends Form
                         'ViewHelper',
                         array(
                             'HtmlTag',
-                            array('tag' => 'p', 'class' => 'icon-info info')
+                            array('tag' => 'p', 'class' => 'icon-info info-box')
                         )
                     )
                 )
diff --git a/public/css/icinga/main-content.less b/public/css/icinga/main-content.less
index 5b142184d..e3e31b397 100644
--- a/public/css/icinga/main-content.less
+++ b/public/css/icinga/main-content.less
@@ -203,3 +203,9 @@ table.benchmark {
 [class^="icon-"]:before, [class*=" icon-"]:before {
     text-decoration: none;
 }
+
+.info-box {
+  padding: 0.5em;
+  border: 1px solid lightgrey;
+  background-color: infobackground;
+}
diff --git a/public/css/icinga/setup.less b/public/css/icinga/setup.less
index 2c86a985a..9dff6fecf 100644
--- a/public/css/icinga/setup.less
+++ b/public/css/icinga/setup.less
@@ -220,14 +220,8 @@
   }
 }
 
-#setup_authentication_type p.info {
-  padding: 0.5em;
-  border: 1px solid lightgrey;
-  background-color: infobackground;
-
-  em {
-    text-decoration: underline;
-  }
+#setup_authentication_type p.info-box em {
+  text-decoration: underline;
 }
 
 #setup_ldap_discovery_confirm table {