diff --git a/application/views/scripts/layout/menu.phtml b/application/views/scripts/layout/menu.phtml
index 36b7cbbdb..6821e532c 100644
--- a/application/views/scripts/layout/menu.phtml
+++ b/application/views/scripts/layout/menu.phtml
@@ -13,4 +13,4 @@ if ($searchDashboard->search('dummy')->getPane('search')->hasDashlets()): ?>
         />
     </form>
 <?php endif; ?>
-<?= $menuRenderer->setHeading(t('Navigation'))->setElementTag('nav'); ?>
\ No newline at end of file
+<?= $menuRenderer->setCssClass('primary-nav')->setElementTag('nav')->setHeading(t('Navigation')); ?>
diff --git a/library/Icinga/Web/Widget/Tabs.php b/library/Icinga/Web/Widget/Tabs.php
index f82754898..200d30b6e 100644
--- a/library/Icinga/Web/Widget/Tabs.php
+++ b/library/Icinga/Web/Widget/Tabs.php
@@ -20,7 +20,7 @@ class Tabs extends AbstractWidget implements Countable
      * @var string
      */
     private $baseTpl = <<< 'EOT'
-<ul class="tabs">
+<ul class="tabs primary-nav">
   {TABS}
   {DROPDOWN}
   {REFRESH}
diff --git a/public/css/icinga/main.less b/public/css/icinga/main.less
index 94b1bda4d..942f35565 100644
--- a/public/css/icinga/main.less
+++ b/public/css/icinga/main.less
@@ -38,6 +38,12 @@
   }
 }
 
+.primary-nav {
+  a {
+    font-weight: normal;
+  }
+}
+
 .pull-left {
   float: left;
 }
diff --git a/public/css/icinga/nav.less b/public/css/icinga/nav.less
index 0a353f4b5..eb249f57f 100644
--- a/public/css/icinga/nav.less
+++ b/public/css/icinga/nav.less
@@ -11,13 +11,6 @@ li.nav-item {
   }
 }
 
-// TODO(el): Use tab-nav in the Tabs widget
-.tabs {
-  a {
-    font-weight: normal;
-  }
-}
-
 ul.nav {
   // Reset defaults
   margin: 0;