diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index fd4f7e5b6b8..8f2d865f72d 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -939,6 +939,7 @@ class Propal extends CommonObject
 
 						$line                   = new PropaleLigne($this->db);
 
+						$line->rowid			= $objp->rowid;
 						$line->product_type     = $objp->product_type;
 						$line->desc             = $objp->description;  // Description ligne
 						$line->qty              = $objp->qty;