diff --git a/src/IDF/Views/Issue.php b/src/IDF/Views/Issue.php
index 60a2231..0ccdd3a 100644
--- a/src/IDF/Views/Issue.php
+++ b/src/IDF/Views/Issue.php
@@ -237,6 +237,7 @@ class IDF_Views_Issue
         $title = Pluf_Template::markSafe(sprintf(__('Issue <a href="%s">%d</a>: %s'), $url, $issue->id, $issue->summary));
         $form = false; // The form is available only if logged in.
         $starred = false;
+        $closed = in_array($issue->status, $prj->getTagIdsByStatus('closed'));
         if (!$request->user->isAnonymous()) {
             $starred = Pluf_Model_InArray($request->user, $issue->get_interested_list());
             $params = array(
@@ -300,6 +301,7 @@ class IDF_Views_Issue
                                                      'form' => $form,
                                                      'starred' => $starred,
                                                      'page_title' => $title,
+                                                     'closed' => $closed,
                                                      ),
                                                $arrays),
                                                $request);
diff --git a/src/IDF/templates/issues/view.html b/src/IDF/templates/issues/view.html
index cc9fa47..f29def8 100644
--- a/src/IDF/templates/issues/view.html
+++ b/src/IDF/templates/issues/view.html
@@ -42,6 +42,10 @@
 </div>
 {/if}
 
+{if $closed and (!$isOwner and !$isMember)}
+<p><img src="{media '/idf/img/warning.png'}" style="vertical-align: text-bottom;" alt=" " /> {blocktrans}This issue is marked as closed, add a comment only if you think this issue is still valid and more work is needed to fully fix it.{/blocktrans}</p>
+
+{/if}
 <form method="post" enctype="multipart/form-data" action="{url 'IDF_Views_Issue::view', array($project.shortname, $issue.id)}" >
 <table class="form" summary="">
 <tr>
diff --git a/www/media/idf/img/warning.png b/www/media/idf/img/warning.png
new file mode 100644
index 0000000..a9e4ff3
Binary files /dev/null and b/www/media/idf/img/warning.png differ