diff --git a/scripts/invoices/email_unpaid_invoices_to_customers.php b/scripts/invoices/email_unpaid_invoices_to_customers.php
index 9260d85cd91..cb6461eb5b6 100755
--- a/scripts/invoices/email_unpaid_invoices_to_customers.php
+++ b/scripts/invoices/email_unpaid_invoices_to_customers.php
@@ -144,17 +144,23 @@ if ($resql)
                 //if (empty($newemail)) print "Warning: Customer ".$target." has no email. Notice disabled.\n";
             }
 
+            // Define line content
+            $outputlangs=new Translate('',$conf);
+            $outputlangs->setDefaultLang(empty($obj->default_lang)?$langs->defaultlang:$obj->default_lang);	// By default language of customer
+
             if (dol_strlen($newemail))
             {
-            	$message .= $langs->trans("Invoice")." ".$obj->facnumber." : ".price($obj->total_ttc)."\n";
+            	$message .= $outputlangs->trans("Invoice")." ".$obj->facnumber." : ".price($obj->total_ttc)."\n";
             	dol_syslog("email_unpaid_invoices_to_customers.php: ".$newemail." ".$message);
             	$foundtoprocess++;
             }
-            print "Unpaid invoice ".$obj->facnumber.", price ".price2num($obj->total_ttc).", due date ".dol_print_date($db->jdate($obj->due_date),'day')." customer id ".$obj->sid." ".$obj->name.", ".($obj->cid?"contact id ".$obj->cid." ".$obj->clastname." ".$obj->cfirstname.",":"")." email ".$newemail.": ";
+            print "Unpaid invoice ".$obj->facnumber.", price ".price2num($obj->total_ttc,0,$outputlangs).", due date ".dol_print_date($db->jdate($obj->due_date),'day')." customer id ".$obj->sid." ".$obj->name.", ".($obj->cid?"contact id ".$obj->cid." ".$obj->clastname." ".$obj->cfirstname.",":"")." email ".$newemail.": ";
             if (dol_strlen($newemail)) print "qualified.";
             else print "disqualified (no email).";
             print "\n";
 
+            unset($outputlangs);
+
             $total += $obj->total_ttc;
 
             $i++;
@@ -212,19 +218,19 @@ function envoi_mail($mode,$oldemail,$message,$total,$userlang,$oldtarget)
     $newlangs->load("main");
     $newlangs->load("bills");
 
-    $subject = "[".(empty($conf->global->MAIN_APPLICATION_TITLE)?'Dolibarr':$conf->global->MAIN_APPLICATION_TITLE)."] ".$newlangs->trans("ListOfYourUnpaidInvoices");
+    $subject = (empty($conf->global->SCRIPT_EMAIL_UNPAID_INVOICES_CUSTOMERS_SUBJECT)?$newlangs->trans("ListOfYourUnpaidInvoices"):'['.$conf->global->SCRIPT_EMAIL_UNPAID_INVOICES_CUSTOMERS_SUBJECT.']');
     $sendto = $oldemail;
     $from = $conf->global->MAIN_MAIL_EMAIL_FROM;
     $errorsto = $conf->global->MAIN_MAIL_ERRORS_TO;
 	$msgishtml = -1;
 
-    print "- Send email for '".$oldtarget."' (".$oldemail."), total: ".$total."\n";
+    print "- Send email to '".$oldtarget."' (".$oldemail."), total: ".$total."\n";
     dol_syslog("email_unpaid_invoices_to_customers.php: send mail to ".$oldemail);
 
     $usehtml=0;
     if (dol_textishtml($conf->global->SCRIPT_EMAIL_UNPAID_INVOICES_CUSTOMERS_FOOTER)) $usehtml+=1;
     if (dol_textishtml($conf->global->SCRIPT_EMAIL_UNPAID_INVOICES_CUSTOMERS_HEADER)) $usehtml+=1;
-    
+
     $allmessage='';
     if (! empty($conf->global->SCRIPT_EMAIL_UNPAID_INVOICES_CUSTOMERS_HEADER))
     {
@@ -278,6 +284,7 @@ function envoi_mail($mode,$oldemail,$message,$total,$userlang,$oldtarget)
     	$result=1;
     }
 
+    unset($newlangs);
     if ($result)
     {
         return 1;
diff --git a/scripts/invoices/email_unpaid_invoices_to_representatives.php b/scripts/invoices/email_unpaid_invoices_to_representatives.php
index 2c23512cedb..408d05f1d4a 100755
--- a/scripts/invoices/email_unpaid_invoices_to_representatives.php
+++ b/scripts/invoices/email_unpaid_invoices_to_representatives.php
@@ -74,7 +74,8 @@ print $script_file." launched with mode ".$mode.(is_numeric($duration_value)?" d
 
 if ($mode != 'confirm') $conf->global->MAIN_DISABLE_ALL_MAILS=1;
 
-$sql = "SELECT f.facnumber, f.total_ttc, f.date_lim_reglement as due_date, s.nom as name, u.rowid as uid, u.lastname, u.firstname, u.email, u.lang";
+$sql = "SELECT f.facnumber, f.total_ttc, f.date_lim_reglement as due_date, s.nom as name, s.email, s.default_lang,";
+$sql.= " u.rowid as uid, u.lastname, u.firstname, u.email, u.lang";
 $sql .= " FROM ".MAIN_DB_PREFIX."facture as f";
 $sql .= " , ".MAIN_DB_PREFIX."societe as s";
 $sql .= " , ".MAIN_DB_PREFIX."societe_commerciaux as sc";
@@ -126,9 +127,13 @@ if ($resql)
                 if (empty($obj->email)) print "Warning: Sal representative ".$salerepresentative." has no email. Notice disabled.\n";
             }
 
+            // Define line content
+            $outputlangs=new Translate('',$conf);
+            $outputlangs->setDefaultLang(empty($obj->lang)?$langs->defaultlang:$obj->lang);	// By default language of sale representative
+
             if (dol_strlen($obj->email))
             {
-            	$message .= $langs->trans("Invoice")." ".$obj->facnumber." : ".price($obj->total_ttc)." : ".$obj->name."\n";
+            	$message .= $outputlangs->trans("Invoice")." ".$obj->facnumber." : ".price($obj->total_ttc,0,$outputlangs)." : ".$obj->name."\n";
             	dol_syslog("email_unpaid_invoices_to_representatives.php: ".$obj->email);
             	$foundtoprocess++;
             }
@@ -137,6 +142,8 @@ if ($resql)
             else print "disqualified (no email).";
 			print "\n";
 
+			unset($outputlangs);
+
             $total += $obj->total_ttc;
             $i++;
         }