diff --git a/app/views/devise/sessions/new.html.haml b/app/views/devise/sessions/new.html.haml
index 6f82e6f..2491ca9 100644
--- a/app/views/devise/sessions/new.html.haml
+++ b/app/views/devise/sessions/new.html.haml
@@ -8,7 +8,7 @@
       = f.input :email, :autofocus => true
       = f.input :password, :label => "Senha", :required => false
       = f.input :remember_me, :label => "Lembre-me da senha", :as => :boolean if devise_mapping.rememberable?
-      = f.button :submit, "Entrar", :class => 'btn-primary'
+      = f.button :submit, "Entrar", :class => 'btn btn-primary'
     = render "devise/shared/links"
 
 
--
libgit2 0.21.2