diff --git a/app/Filament/Resources/ProfitCenterSupplierSchedules/Pages/CreateProfitCenterSupplierSchedule.php b/app/Filament/Resources/ProfitCenterSupplierSchedules/Pages/CreateProfitCenterSupplierSchedule.php
index 82709d0..76ca2d9 100644
--- a/app/Filament/Resources/ProfitCenterSupplierSchedules/Pages/CreateProfitCenterSupplierSchedule.php
+++ b/app/Filament/Resources/ProfitCenterSupplierSchedules/Pages/CreateProfitCenterSupplierSchedule.php
@@ -32,4 +32,15 @@ protected function handleRecordCreation(array $data): Model
 
         return $lastRecord;
     }
+
+    /**
+     * "Mentés és új létrehozása" esetén a Beszállító mezőt megtartja, a többit üríti (EV3-432).
+     *
+     * @param  array<string, mixed>  $data
+     * @return array<string, mixed>
+     */
+    protected function preserveFormDataWhenCreatingAnother(array $data): array
+    {
+        return ['supplier_id' => $data['supplier_id'] ?? null];
+    }
 }