diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 974b55ca332..11e4550b9ba 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -878,7 +878,7 @@ abstract class CommonObject
     		if ($this->element == 'societe') $fieldname = 'cond_reglement';
     		
     		$sql = 'UPDATE '.MAIN_DB_PREFIX.$this->table_element;
-    		$sql .= ' SET fk_cond_reglement = '.$id;
+    		$sql .= ' SET '.$fieldname.' = '.$id;
     		$sql .= ' WHERE rowid='.$this->id;
     		
     		if ($this->db->query($sql))