diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index 4fa963f03f3..e39d711c19b 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -849,8 +849,8 @@ class Propal extends CommonObject
 			if ($objsoc->fetch($socid)>0)
 			{
 				$object->socid 					= $objsoc->id;
-				$object->cond_reglement_id		= $objsoc->cond_reglement_id;
-				$object->mode_reglement_id		= $objsoc->mode_reglement_id;
+				$object->cond_reglement_id		= (! empty($objsoc->cond_reglement_id) ? $objsoc->cond_reglement_id : 0);
+				$object->mode_reglement_id		= (! empty($objsoc->mode_reglement_id) ? $objsoc->mode_reglement_id : 0);
 				$object->fk_project				= '';
 				$object->fk_delivery_address	= '';
 			}
diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index 3e6deac6814..ad72928875f 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -747,8 +747,8 @@ class Commande extends CommonObject
 			if ($objsoc->fetch($socid)>0)
 			{
 				$object->socid 					= $objsoc->id;
-				$object->cond_reglement_id		= $objsoc->cond_reglement_id;
-				$object->mode_reglement_id		= $objsoc->mode_reglement_id;
+				$object->cond_reglement_id		= (! empty($objsoc->cond_reglement_id) ? $objsoc->cond_reglement_id : 0);
+				$object->mode_reglement_id		= (! empty($objsoc->mode_reglement_id) ? $objsoc->mode_reglement_id : 0);
 				$object->fk_project				= '';
 				$object->fk_delivery_address	= '';
 			}