diff --git a/app/(main)/devis/[id]/convert/page.tsx b/app/(main)/devis/[id]/convert/page.tsx
index c70583e..0df6253 100644
--- a/app/(main)/devis/[id]/convert/page.tsx
+++ b/app/(main)/devis/[id]/convert/page.tsx
@@ -348,7 +348,7 @@ const ConvertDevisPage = () => {
                         <Calendar
                             id="dateEmission"
                             value={facture.dateEmission ? new Date(facture.dateEmission) : new Date()}
-                            onChange={(e) => setFacture(prev => ({ ...prev, dateEmission: e.value || new Date() }))}
+                            onChange={(e) => setFacture(prev => ({ ...prev, dateEmission: e.value?.toISOString() || new Date().toISOString() }))}
                             className="w-full"
                             dateFormat="dd/mm/yy"
                         />