diff --git a/frontend-prep/src/pages/User/ConsultationHistorique.tsx b/frontend-prep/src/pages/User/ConsultationHistorique.tsx
index 99f056cf..6f95e722 100644
--- a/frontend-prep/src/pages/User/ConsultationHistorique.tsx
+++ b/frontend-prep/src/pages/User/ConsultationHistorique.tsx
@@ -482,7 +482,7 @@ function ConsultationHistorique() {
                                             {formatPrice((order.total_prix || 0) - (order.referral_used || 0))}
                                             {(order.referral_used || 0) > 0 && (
                                                 <span className="order-card-referral">
-                                                    {" "}— dont {formatPrice(order.referral_used)} parrainage
+                                                    {" "}— dont {formatPrice(order.referral_used ?? 0)} parrainage
                                                 </span>
                                             )}
                                         </span>