diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index c444f127cd0..29987531925 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -955,7 +955,7 @@ class Propal extends CommonObject
 					$this->line_order(true, 'DESC');
 				}
 
-				$this->update_price(1);
+				$this->update_price(1, 'auto');
 
 				$this->fk_propal = $this->id;
 				$this->rowid = $rowid;
diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index 26dfa8a4759..87eafbe531c 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -3313,7 +3313,7 @@ class Commande extends CommonOrder
 				}
 
 				// Mise a jour info denormalisees
-				$this->update_price(1);
+				$this->update_price(1, 'auto');
 
 				$this->db->commit();
 				return $result;
diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index a0563b4ee87..feed2b70630 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -4083,7 +4083,7 @@ class Facture extends CommonInvoice
 				}
 
 				// Mise a jour info denormalisees au niveau facture
-				$this->update_price(1);
+				$this->update_price(1, 'auto');
 				$this->db->commit();
 				return $result;
 			} else {