diff --git a/htdocs/fourn/facture/fiche.php b/htdocs/fourn/facture/fiche.php
index 6fcbc3779ba..7cf02e2f0da 100644
--- a/htdocs/fourn/facture/fiche.php
+++ b/htdocs/fourn/facture/fiche.php
@@ -230,6 +230,13 @@ elseif ($action == 'add' && $user->rights->fournisseur->facture->creer)
     $datefacture=dol_mktime(12,0,0,$_POST['remonth'],$_POST['reday'],$_POST['reyear']);
     $datedue=dol_mktime(12,0,0,$_POST['echmonth'],$_POST['echday'],$_POST['echyear']);
 
+    if (! GETPOST('socid','int')<1)
+    {
+    	$mesg='<div class="error">'.$langs->trans('ErrorFieldRequired',$langs->transnoentities('Supplier')).'</div>';
+    	$action='create';
+    	$error++;
+    }
+    
     if ($datefacture == '')
     {
         $mesg='<div class="error">'.$langs->trans('ErrorFieldRequired',$langs->transnoentities('DateInvoice')).'</div>';