diff --git a/htdocs/societe/class/societe.class.php b/htdocs/societe/class/societe.class.php
index 9248a07469c..b4a9a549ea7 100644
--- a/htdocs/societe/class/societe.class.php
+++ b/htdocs/societe/class/societe.class.php
@@ -503,10 +503,9 @@ class Societe extends CommonObject
             }
             else
             {
-                if ($this->db->errno() == 'DB_ERROR_RECORD_ALREADY_EXISTS')
+                if ($this->db->lasterrno() == 'DB_ERROR_RECORD_ALREADY_EXISTS')
                 {
-
-                    $this->error=$langs->trans("ErrorCompanyNameAlreadyExists",$this->name);
+                    $this->error=$langs->trans("ErrorCompanyNameAlreadyExists",$this->name);    // duplicate on a field (code or profid or ...)
                     $result=-1;
                 }
                 else
diff --git a/htdocs/societe/soc.php b/htdocs/societe/soc.php
index 36fe26447fa..540c3aed883 100644
--- a/htdocs/societe/soc.php
+++ b/htdocs/societe/soc.php
@@ -514,8 +514,8 @@ if (empty($reshook))
                 }
                 else
 				{
-					
-					if($result == -3) {
+				    if ($db->lasterrno() == 'DB_ERROR_RECORD_ALREADY_EXISTS') // TODO Sometime errors on duplicate on profid and not on code, so
+					{
 						$duplicate_code_error = true;
 						$object->code_fournisseur = null;
 						$object->code_client = null;