diff --git a/app/views/user_blocks/revoke.html.erb b/app/views/user_blocks/revoke.html.erb
index 6bf87c4c3..224e1e4bb 100644
--- a/app/views/user_blocks/revoke.html.erb
+++ b/app/views/user_blocks/revoke.html.erb
@@ -21,7 +21,7 @@
       </div>
     </div>
 
-    <%= f.primary t(".revoke") %>
+    <%= f.submit t(".revoke"), :class => "btn btn-danger" %>
   <% end %>
 
 <% else %>
diff --git a/app/views/user_blocks/revoke_all.html.erb b/app/views/user_blocks/revoke_all.html.erb
index 75a425d70..f9a17d3e6 100644
--- a/app/views/user_blocks/revoke_all.html.erb
+++ b/app/views/user_blocks/revoke_all.html.erb
@@ -16,7 +16,7 @@
       </div>
     </div>
 
-    <%= f.primary t(".revoke") %>
+    <%= f.submit t(".revoke"), :class => "btn btn-danger" %>
   <% end %>
 
 <% else %>