diff --git a/app/javascript/controllers/submit_once_controller.js b/app/javascript/controllers/submit_once_controller.js
new file mode 100644
index 0000000..b47a33e
--- /dev/null
+++ b/app/javascript/controllers/submit_once_controller.js
@@ -0,0 +1,15 @@
+import { Controller } from 'stimulus'
+
+/*
+ * Deshabilita el elemento que recibe el evento, para evitar que la
+ * acción se realice varias veces.
+ *
+ * <form data-controller="submit-once">
+ *   <input type="submit" data-action="submit-once#disable" />
+ * </form>
+ */
+export default class extends Controller {
+  disable (event) {
+    event.target.disabled = true
+  }
+}
diff --git a/app/views/sites/_build.haml b/app/views/sites/_build.haml
index 4115e97..d9d6be8 100644
--- a/app/views/sites/_build.haml
+++ b/app/views/sites/_build.haml
@@ -4,12 +4,15 @@
       tooltip: t('help.sites.enqueued'),
       text: t('sites.enqueued'),
       type: 'secondary',
-      link: nil
+      link: nil,
+      disabled: true
   - else
     = form_tag site_enqueue_path(site),
-      method: :post, class: 'form-inline inline' do
+      method: :post,
+      data: { controller: 'submit-once' },
+      class: 'form-inline inline' do
       = button_tag type: 'submit',
         class: 'btn no-border-radius',
         title: t('help.sites.enqueue'),
-        data: { toggle: 'tooltip' } do
+        data: { action: 'submit-once#disable' } do
         = t('sites.enqueue')
diff --git a/test/models/site_test.rb b/test/models/site_test.rb
index 9afbf20..e53fff0 100644
--- a/test/models/site_test.rb
+++ b/test/models/site_test.rb
@@ -109,4 +109,10 @@ class SiteTest < ActiveSupport::TestCase
     assert_equal %w[book cart confirmation editorial menu payment post shipment], site.data['layouts'].keys
     assert_equal %i[book cart confirmation editorial menu payment post shipment], site.layouts.to_h.keys
   end
+
+  test 'se pueden encolar una sola vez' do
+    assert site.enqueue!
+    assert site.enqueued?
+    assert_not site.enqueue!
+  end
 end