diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index 9c35faef31f..070f0232215 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -546,6 +546,7 @@ class Propal extends CommonObject
             $this->line->label				= $label;
             $this->line->desc				= $desc;
             $this->line->qty				= $qty;
+            $this->line->product_type			= $type;
             $this->line->tva_tx				= $txtva;
             $this->line->localtax1_tx		= $txlocaltax1;
             $this->line->localtax2_tx		= $txlocaltax2;
@@ -2783,7 +2784,7 @@ class PropaleLigne  extends CommonObject
 		$sql.= ' pd.info_bits, pd.total_ht, pd.total_tva, pd.total_ttc, pd.fk_product_fournisseur_price as fk_fournprice, pd.buy_price_ht as pa_ht, pd.special_code, pd.rang,';
 		$sql.= ' pd.localtax1_tx, pd.localtax2_tx, pd.total_localtax1, pd.total_localtax2,';
 		$sql.= ' p.ref as product_ref, p.label as product_label, p.description as product_desc,';
-		$sql.= ' pd.date_start, pd.date_end';
+		$sql.= ' pd.date_start, pd.date_end, pd.product_type';
 		$sql.= ' FROM '.MAIN_DB_PREFIX.'propaldet as pd';
 		$sql.= ' LEFT JOIN '.MAIN_DB_PREFIX.'product as p ON pd.fk_product = p.rowid';
 		$sql.= ' WHERE pd.rowid = '.$rowid;
@@ -2820,6 +2821,7 @@ class PropaleLigne  extends CommonObject
 			$this->marque_tx		= $marginInfos[2];
 
 			$this->special_code		= $objp->special_code;
+			$this->product_type		= $objp->product_type;
 			$this->rang				= $objp->rang;
 
 			$this->ref				= $objp->product_ref;      // deprecated
@@ -3054,6 +3056,7 @@ class PropaleLigne  extends CommonObject
         $sql = "UPDATE ".MAIN_DB_PREFIX."propaldet SET";
         $sql.= " description='".$this->db->escape($this->desc)."'";
         $sql.= " , label=".(! empty($this->label)?"'".$this->db->escape($this->label)."'":"null");
+        $sql.= " , product_type=".$this->product_type;
         $sql.= " , tva_tx='".price2num($this->tva_tx)."'";
         $sql.= " , localtax1_tx=".price2num($this->localtax1_tx);
         $sql.= " , localtax2_tx=".price2num($this->localtax2_tx);