diff --git a/htdocs/asset/class/asset.class.php b/htdocs/asset/class/asset.class.php
index 84aae9ed724..6cb18a28394 100644
--- a/htdocs/asset/class/asset.class.php
+++ b/htdocs/asset/class/asset.class.php
@@ -1036,13 +1036,12 @@ class Asset extends CommonObject
 				}
 
 				// Delete old lines
-				$sql = "DELETE " . MAIN_DB_PREFIX . "asset_depreciation FROM " . MAIN_DB_PREFIX . "asset_depreciation";
-				$sql .= " LEFT JOIN " . MAIN_DB_PREFIX . "accounting_bookkeeping as ab ON ab.doc_type = 'asset' AND ab.fk_docdet = " . MAIN_DB_PREFIX . "asset_depreciation.rowid";
-				$sql .= " WHERE " . MAIN_DB_PREFIX . "asset_depreciation.fk_asset = " . (int) $this->id;
-				$sql .= " AND " . MAIN_DB_PREFIX . "asset_depreciation.depreciation_mode = '" . $this->db->escape($mode_key) . "'";
-				$sql .= " AND ab.fk_docdet IS NULL";
+				$sql = "DELETE FROM " . MAIN_DB_PREFIX . "asset_depreciation";
+				$sql .= " WHERE fk_asset = " . (int) $this->id;
+				$sql .= " AND depreciation_mode = '" . $this->db->escape($mode_key) . "'";
+				$sql .= " AND NOT EXISTS (SELECT fk_docdet FROM " . MAIN_DB_PREFIX . "accounting_bookkeeping WHERE doc_type = 'asset' AND fk_docdet = " . MAIN_DB_PREFIX . "asset_depreciation.rowid)";
 				if ($last_depreciation_date !== "") {
-					$sql .= " AND " . MAIN_DB_PREFIX . "asset_depreciation.ref != ''";
+					$sql .= " AND ref <> ''";
 				}
 				$resql = $this->db->query($sql);
 				if (!$resql) {
diff --git a/htdocs/core/actions_massactions.inc.php b/htdocs/core/actions_massactions.inc.php
index 8be73613171..162ead0463a 100644
--- a/htdocs/core/actions_massactions.inc.php
+++ b/htdocs/core/actions_massactions.inc.php
@@ -1231,9 +1231,13 @@ EOPHAN;
 
 	$db->begin();
 	$nbok = 0;
+
+	$objecttmp = new $objectclass($db);
+
 	foreach ($toselect as $toselectid) {
-		$objecttmp = new $objectclass($db);
+		$objecttmp->thirdparty = null; // Clear if another value was already set by fetch_thirdparty later
 		$result = $objecttmp->fetch($toselectid);
+
 		if ($result > 0) {
 			$outputlangs = $langs;
 			$newlang = '';
diff --git a/htdocs/fourn/class/fournisseur.commande.class.php b/htdocs/fourn/class/fournisseur.commande.class.php
index 6738f53d5ff..e270cb5a2bb 100644
--- a/htdocs/fourn/class/fournisseur.commande.class.php
+++ b/htdocs/fourn/class/fournisseur.commande.class.php
@@ -546,7 +546,10 @@ class CommandeFournisseur extends CommonOrder
 
 			$this->ref = $obj->ref;
 			$this->ref_supplier = $obj->ref_supplier;
+
 			$this->socid = $obj->fk_soc;
+			$this->thirdparty = null; // Clear if another value was already set by fetch_thirdparty
+
 			$this->fourn_id = $obj->fk_soc;
 			$this->statut = $obj->status;	// deprecated
 			$this->status = $obj->status;
diff --git a/htdocs/fourn/class/fournisseur.facture.class.php b/htdocs/fourn/class/fournisseur.facture.class.php
index 560b5ef6b07..9f7c4eb523b 100644
--- a/htdocs/fourn/class/fournisseur.facture.class.php
+++ b/htdocs/fourn/class/fournisseur.facture.class.php
@@ -1013,6 +1013,8 @@ class FactureFournisseur extends CommonInvoice
 
 				$this->socid  = $obj->socid;
 
+				$this->thirdparty = null; // Clear if another value was already set by fetch_thirdparty
+
 				// Retrieve all extrafield
 				// fetch optionals attributes and labels
 				$this->fetch_optionals();