diff --git a/app/views/devise/shared/_tab_single.html.haml b/app/views/devise/shared/_tab_single.html.haml
index 7bd414d64c3..3f2ed3e4576 100644
--- a/app/views/devise/shared/_tab_single.html.haml
+++ b/app/views/devise/shared/_tab_single.html.haml
@@ -1,3 +1,3 @@
-%ul.nav-links.new-session-tabs.single-tab
+%ul.nav-links.new-session-tabs.single-tab.nav-tabs.nav
   %li.active
     %a= tab_title
diff --git a/app/views/devise/shared/_tabs_ldap.html.haml b/app/views/devise/shared/_tabs_ldap.html.haml
index f50e0724e09..fac7f3135d1 100644
--- a/app/views/devise/shared/_tabs_ldap.html.haml
+++ b/app/views/devise/shared/_tabs_ldap.html.haml
@@ -1,4 +1,4 @@
-%ul.nav-links.new-session-tabs{ class: ('custom-provider-tabs' if form_based_providers.any?) }
+%ul.nav-links.new-session-tabs.nav-tabs.nav{ class: ('custom-provider-tabs' if form_based_providers.any?) }
   - if crowd_enabled?
     %li.active
       = link_to "Crowd", "#crowd", 'data-toggle' => 'tab'
diff --git a/app/views/devise/shared/_tabs_normal.html.haml b/app/views/devise/shared/_tabs_normal.html.haml
index fa3c3df7f60..5352f9cc21a 100644
--- a/app/views/devise/shared/_tabs_normal.html.haml
+++ b/app/views/devise/shared/_tabs_normal.html.haml
@@ -1,4 +1,4 @@
-%ul.nav-links.new-session-tabs{ role: 'tablist' }
+%ul.nav-links.new-session-tabs.nav-tabs.nav{ role: 'tablist' }
   %li.active{ role: 'presentation' }
     %a{ href: '#login-pane', data: { toggle: 'tab' }, role: 'tab' } Sign in
   - if allow_signup?