diff --git a/include/picture_comment.inc.php b/include/picture_comment.inc.php
index d5410f496..e5814c359 100644
--- a/include/picture_comment.inc.php
+++ b/include/picture_comment.inc.php
@@ -107,6 +107,7 @@ SELECT
     array(
       'COMMENT_COUNT' => $row['nb_comments'],
       'navbar' => $navigation_bar,
+      'comments' => array(),
       )
     );
 
@@ -263,4 +264,4 @@ SELECT
   $template->assign_var_from_handle('COMMENT_LIST', 'comment_list');
 }
 
-?>
\ No newline at end of file
+?>