diff --git a/app/views/sites/_form.haml b/app/views/sites/_form.haml
index eaa400ff..b46f51a5 100644
--- a/app/views/sites/_form.haml
+++ b/app/views/sites/_form.haml
@@ -39,7 +39,7 @@
     .row
       -# Demasiado complejo para un f.collection_radio_buttons
       - Design.all.each do |design|
-        .col
+        .col-md-4
           %h3
             = f.radio_button :design_id, design.id,
               checked: design.id == site.design_id,