diff --git a/app/views/posts/partials/show/_edit.html.erb b/app/views/posts/partials/show/_edit.html.erb
index f913d5e66..d74c0a46f 100644
--- a/app/views/posts/partials/show/_edit.html.erb
+++ b/app/views/posts/partials/show/_edit.html.erb
@@ -63,7 +63,7 @@
     <div>
       <%= f.label :tag_string, "Tags" %>
       <%= f.text_area :tag_string, :size => "50x5", :value => post.presenter.categorized_tag_string + " " %>
-      <span id="open-post-edit-dialog" class="ui-icon ui-icon-arrow-2-ne-sw" title="detach"/>
+      <span id="open-post-edit-dialog" class="ui-icon ui-icon-arrow-1-ne" title="detach"/>
     </div>
 
     <%= button_tag "Related tags", :id => "related-tags-button", :type => "button" %>