diff --git a/app/views/users/sessions/new.html.erb b/app/views/users/sessions/new.html.erb
index 6c5ac4936..9f87fcf33 100644
--- a/app/views/users/sessions/new.html.erb
+++ b/app/views/users/sessions/new.html.erb
@@ -26,7 +26,7 @@
     <% end -%>
 
     <div class="actions" style="margin-top: 10px; margin-bottom: 10px;">
-      <%= f.submit t("devise.sessions.new.submit"), class: "btn btn-default" %>
+      <%= f.submit t("devise.sessions.new.submit"), class: "btn btn-primary" %>
     </div>
   <% end %>