diff --git a/src/SDP/AssetRelation.php b/src/SDP/AssetRelation.php
index <HASH>..<HASH> 100644
--- a/src/SDP/AssetRelation.php
+++ b/src/SDP/AssetRelation.php
@@ -59,7 +59,7 @@ class SDP_AssetRelation extends Pluf_Model
             ),
             'description' => array(
                 'type' => 'Pluf_DB_Field_Varchar',
-                'blank' => false,
+                'blank' => true,
                 'size' => 250,
                 'editable' => true,
                 'readable' => true
Field "description" is edited to be not required