diff --git a/htdocs/fourn/facture/paiement.php b/htdocs/fourn/facture/paiement.php
index f6339e301e4..fb0e3c6ffc9 100644
--- a/htdocs/fourn/facture/paiement.php
+++ b/htdocs/fourn/facture/paiement.php
@@ -104,14 +104,17 @@ if ($action == 'add_paiement')
         }
     }
 
-    /*
-     \TODO A activer qd gestion avoir active et que creation facture fournisseur negative interdit
-     if ($total <= 0)
-     {
-     $mesg = '<div class="error">'.$langs->trans('ErrorFieldRequired',$langs->transnoentities('Amount')).'</div>';
-     $error++;
-     }
-     */
+    if ($total == 0)
+    {
+        $mesg = '<div class="error">'.$langs->transnoentities('ErrorFieldRequired',$langs->trans('PaymentAmount')).'</div>';
+        $error++;
+    }
+
+    if (empty($datepaye))
+    {
+        $fiche_erreur_message = '<div class="error">'.$langs->trans('ErrorFieldRequired',$langs->transnoentities('Date')).'</div>';
+        $error++;
+    }
 
     if (! $error)
     {