diff --git a/app/views/comments/_new_comment.mobile.haml b/app/views/comments/_new_comment.mobile.haml
index 7e8ea3d4c8f0bbd811a5c4f17b2eb03dcae0ed46..40db9aa25f3600295a008dd88b4018d81b2de376 100644
--- a/app/views/comments/_new_comment.mobile.haml
+++ b/app/views/comments/_new_comment.mobile.haml
@@ -9,8 +9,7 @@
   - if user_signed_in?
     = form_tag( post_comments_path(post_id), id: "new_comment_on_#{post_id}", class: "new_comment", autocomplete: "off") do
       %fieldset
-        .control-group
-          = hidden_field_tag :post_id,  post_id, id: "post_id_on_#{post_id}"
+        = hidden_field_tag :post_id,  post_id, id: "post_id_on_#{post_id}"
+        .form-group
           = text_area_tag :text, nil, class: "col-md-12 comment_box form-control form-group", id: "comment_text_on_#{post_id}", placeholder: t(".comment")
-          = submit_tag t(".comment"), id: "comment_submit_#{post_id}", 'data-disable-with' => t(".commenting"), class: "btn btn-primary btn-block"
-          .clearfix
+        = submit_tag t(".comment"), :id => "comment_submit_#{post_id}", "data-disable-with" => t(".commenting"), :class => "btn btn-primary btn-block"