diff --git a/htdocs/compta/facture/card.php b/htdocs/compta/facture/card.php
index 0465530ec27..f31b41753f0 100644
--- a/htdocs/compta/facture/card.php
+++ b/htdocs/compta/facture/card.php
@@ -953,6 +953,8 @@ if (empty($reshook))
 
 							if($facture_source->type == Facture::TYPE_SITUATION)
 							{
+							    
+							    $line->fk_prev_id  = $line->id;
 
 							    if(!empty($facture_source->tab_previous_situation_invoice))
 							    {
diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 1ebd9fedfd6..8c756dc5264 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -4830,7 +4830,7 @@ class FactureLigne extends CommonInvoiceLine
 	 * @param  int     $invoiceid      Invoice id
 	 * @return int                     >= 0
 	 */
-	function get_prev_progress($invoiceid)
+	function get_prev_progress($invoiceid, $include_credit_note = true)
 	{
 		if (is_null($this->fk_prev_id) || empty($this->fk_prev_id) || $this->fk_prev_id == "") {
 			return 0;
@@ -4844,7 +4844,26 @@ class FactureLigne extends CommonInvoiceLine
 			$resql = $this->db->query($sql);
 			if ($resql && $resql->num_rows > 0) {
 				$res = $this->db->fetch_array($resql);
-				return floatval($res['situation_percent']);
+				
+				$returnPercent = floatval($res['situation_percent']);
+				
+				if($include_credit_note) {
+				    
+				    $sql = 'SELECT fd.situation_percent FROM ' . MAIN_DB_PREFIX . 'facturedet fd';
+				    $sql.= ' JOIN ' . MAIN_DB_PREFIX . 'facture f ON (f.rowid = fd.fk_facture) ';
+				    $sql.= ' WHERE fd.fk_prev_id =' . $this->fk_prev_id;
+				    $sql.= ' AND f.situation_cycle_ref = '.$tmpinvoice->situation_cycle_ref; // Prevent cycle outed
+				    $sql.= ' AND f.type = '.Facture::TYPE_CREDIT_NOTE;
+				    
+				    $res = $this->db->query($sql);
+				    if($res) {
+				        while($obj = $this->db->fetch_object($res)) {
+				            $returnPercent = $returnPercent + floatval($obj->situation_percent);
+				        }
+				    }
+				}
+				
+				return $returnPercent;
 			} else {
 				$this->error = $this->db->error();
 				dol_syslog(get_class($this) . "::select Error " . $this->error, LOG_ERR);