diff --git a/app/views/sites/_form.haml b/app/views/sites/_form.haml
index d26eeebf..84cd3fc3 100644
--- a/app/views/sites/_form.haml
+++ b/app/views/sites/_form.haml
@@ -44,36 +44,37 @@
       .invalid-feedback= site.errors.messages[:description].join(', ')
     %hr/
 
-  .form-group#design_id
-    %h2= t('.design.title')
-    %p.lead= t('.help.design')
-    - if invalid? site, :design_id
-      .alert.alert-info
-        = t('activerecord.errors.models.site.attributes.design_id.layout_incompatible.help',
-          layouts: site.incompatible_layouts.to_sentence)
-    .row.designs
-      -# Demasiado complejo para un f.collection_radio_buttons
-      - Design.all.find_each do |design|
-        .design.col-md-4.d-flex.flex-column
-          .custom-control.custom-radio
-            = f.radio_button :design_id, design.id,
-              checked: design.id == site.design_id,
-              disabled: design.disabled,
-              required: true, class: 'custom-control-input'
-            = f.label "design_id_#{design.id}", design.name,
-              class: 'custom-control-label'
-          .flex-fill
-            = sanitize_markdown design.description,
-              tags: %w[p a strong em]
+  - if site.new_record? || site.skel?
+    .form-group#design_id
+      %h2= t('.design.title')
+      %p.lead= t('.help.design')
+      - if invalid? site, :design_id
+        .alert.alert-info
+          = t('activerecord.errors.models.site.attributes.design_id.layout_incompatible.help',
+            layouts: site.incompatible_layouts.to_sentence)
+      .row.designs
+        -# Demasiado complejo para un f.collection_radio_buttons
+        - Design.all.find_each do |design|
+          .design.col-md-4.d-flex.flex-column
+            .custom-control.custom-radio
+              = f.radio_button :design_id, design.id,
+                checked: design.id == site.design_id,
+                disabled: design.disabled,
+                required: true, class: 'custom-control-input'
+              = f.label "design_id_#{design.id}", design.name,
+                class: 'custom-control-label'
+            .flex-fill
+              = sanitize_markdown design.description,
+                tags: %w[p a strong em]
 
-          .btn-group{ role: 'group', 'aria-label': t('.design.actions') }
-            - if design.url
-              = link_to t('.design.url'), design.url,
-                target: '_blank', class: 'btn'
-            - if design.license
-              = link_to t('.design.license'), design.license,
-                target: '_blank', class: 'btn'
-    %hr/
+            .btn-group{ role: 'group', 'aria-label': t('.design.actions') }
+              - if design.url
+                = link_to t('.design.url'), design.url,
+                  target: '_blank', class: 'btn'
+              - if design.license
+                = link_to t('.design.license'), design.license,
+                  target: '_blank', class: 'btn'
+      %hr/
 
   .form-group.licenses#license_id
     %h2= t('.licencia.title')