diff --git a/app/views/posts/_form.haml b/app/views/posts/_form.haml
index 6e06ca9a..f772b09e 100644
--- a/app/views/posts/_form.haml
+++ b/app/views/posts/_form.haml
@@ -44,12 +44,18 @@
     = label_tag 'post_categories', t('posts.categories')
     = select_tag 'post[categories][]',
       options_for_select(@site.categories(lang: @lang), @post.categories),
-      { class: 'form-control select2', multiple: 'multiple' }
+      { class: 'form-control select2', multiple: 'multiple',
+        data: { tags: true,
+        placeholder: t('posts.select.placeholder'),
+        'allow-clear': true } }
   .form-group
     = label_tag 'post_tags', t('posts.tags')
     = select_tag 'post[tags][]',
       options_for_select(@site.tags(lang: @lang), @post.tags),
-      { class: 'form-control select2', multiple: 'multiple' }
+      { class: 'form-control select2', multiple: 'multiple',
+        data: { tags: true,
+        placeholder: t('posts.select.placeholder'),
+        'allow-clear': true } }
   .form-group
     = label_tag 'post_slug', t('posts.slug')
     = text_field 'post', 'slug', value: @post.slug,