diff --git a/spec/Event/RefundPaymentGeneratedSpec.php b/spec/Event/RefundPaymentGeneratedSpec.php
index 4d3437a5..14aab649 100644
--- a/spec/Event/RefundPaymentGeneratedSpec.php
+++ b/spec/Event/RefundPaymentGeneratedSpec.php
@@ -10,12 +10,13 @@ final class RefundPaymentGeneratedSpec extends ObjectBehavior
 {
     function it_represents_an_immutable_fact_that_refund_payment_has_been_generated(): void
     {
-        $this->beConstructedWith(1, '000222', 10000, 'GBP', 2);
+        $this->beConstructedWith(1, '000222', 10000, 'GBP', 2, 3);
 
         $this->id()->shouldReturn(1);
         $this->orderNumber()->shouldReturn('000222');
         $this->amount()->shouldReturn(10000);
         $this->currencyCode()->shouldReturn('GBP');
         $this->paymentMethodId()->shouldReturn(2);
+        $this->paymentId()->shouldReturn(3);
     }
 }
diff --git a/spec/ProcessManager/RefundPaymentProcessManagerSpec.php b/spec/ProcessManager/RefundPaymentProcessManagerSpec.php
index bc8edd6d..d06ac3df 100644
--- a/spec/ProcessManager/RefundPaymentProcessManagerSpec.php
+++ b/spec/ProcessManager/RefundPaymentProcessManagerSpec.php
@@ -13,18 +13,21 @@
 use Sylius\RefundPlugin\Event\UnitsRefunded;
 use Sylius\RefundPlugin\Factory\RefundPaymentFactoryInterface;
 use Sylius\RefundPlugin\Model\OrderItemUnitRefund;
+use Sylius\RefundPlugin\Provider\RelatedPaymentIdProviderInterface;
 use Sylius\RefundPlugin\StateResolver\OrderFullyRefundedStateResolverInterface;
 
 final class RefundPaymentProcessManagerSpec extends ObjectBehavior
 {
     function let(
         OrderFullyRefundedStateResolverInterface $orderFullyRefundedStateResolver,
+        RelatedPaymentIdProviderInterface $relatedPaymentIdProvider,
         RefundPaymentFactoryInterface $refundPaymentFactory,
         EntityManagerInterface $entityManager,
         EventBus $eventBus
     ): void {
         $this->beConstructedWith(
             $orderFullyRefundedStateResolver,
+            $relatedPaymentIdProvider,
             $refundPaymentFactory,
             $entityManager,
             $eventBus
@@ -33,6 +36,7 @@ function let(
 
     function it_reacts_on_units_refunded_event_and_creates_refund_payment(
         OrderFullyRefundedStateResolverInterface $orderFullyRefundedStateResolver,
+        RelatedPaymentIdProviderInterface $relatedPaymentIdProvider,
         RefundPaymentFactoryInterface $refundPaymentFactory,
         EntityManagerInterface $entityManager,
         RefundPaymentInterface $refundPayment,
@@ -55,13 +59,16 @@ function it_reacts_on_units_refunded_event_and_creates_refund_payment(
         $refundPayment->getOrderNumber()->willReturn('000222');
         $refundPayment->getAmount()->willReturn(1000);
 
+        $relatedPaymentIdProvider->getForRefundPayment($refundPayment)->willReturn(3);
+
         $eventBus->dispatch(Argument::that(function (RefundPaymentGenerated $event): bool {
             return
                 $event->id() === 10 &&
                 $event->orderNumber() === '000222' &&
                 $event->amount() === 1000 &&
                 $event->currencyCode() === 'USD' &&
-                $event->paymentMethodId() === 1
+                $event->paymentMethodId() === 1 &&
+                $event->paymentId() === 3
             ;
         }))->shouldBeCalled();
 
diff --git a/spec/Provider/DefaultRelatedPaymentIdProviderSpec.php b/spec/Provider/DefaultRelatedPaymentIdProviderSpec.php
new file mode 100644
index 00000000..6f81b78e
--- /dev/null
+++ b/spec/Provider/DefaultRelatedPaymentIdProviderSpec.php
@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+namespace spec\Sylius\RefundPlugin\Provider;
+
+use PhpSpec\ObjectBehavior;
+use Sylius\Component\Core\Model\OrderInterface;
+use Sylius\Component\Core\Model\PaymentInterface;
+use Sylius\Component\Core\Repository\OrderRepositoryInterface;
+use Sylius\RefundPlugin\Entity\RefundPaymentInterface;
+use Sylius\RefundPlugin\Exception\CompletedPaymentNotFound;
+use Sylius\RefundPlugin\Exception\OrderNotFound;
+use Sylius\RefundPlugin\Provider\RelatedPaymentIdProviderInterface;
+
+final class DefaultRelatedPaymentIdProviderSpec extends ObjectBehavior
+{
+    function let(OrderRepositoryInterface $orderRepository): void
+    {
+        $this->beConstructedWith($orderRepository);
+    }
+
+    function it_implements_related_payment_id_provider_interface(): void
+    {
+        $this->shouldImplement(RelatedPaymentIdProviderInterface::class);
+    }
+
+    function it_provides_id_of_last_completed_payment_from_refund_payment_order(
+        OrderRepositoryInterface $orderRepository,
+        RefundPaymentInterface $refundPayment,
+        OrderInterface $order,
+        PaymentInterface $payment
+    ): void {
+        $refundPayment->getOrderNumber()->willReturn('000333');
+
+        $orderRepository->findOneByNumber('000333')->willReturn($order);
+
+        $order->getLastPayment(PaymentInterface::STATE_COMPLETED)->willReturn($payment);
+
+        $payment->getId()->willReturn(4);
+
+        $this->getForRefundPayment($refundPayment)->shouldReturn(4);
+    }
+
+    function it_throws_exception_if_there_is_no_order_with_given_number(
+        OrderRepositoryInterface $orderRepository,
+        RefundPaymentInterface $refundPayment
+    ): void {
+        $refundPayment->getOrderNumber()->willReturn('000666');
+        $orderRepository->findOneByNumber('000666')->willReturn(null);
+
+        $this
+            ->shouldThrow(OrderNotFound::withNumber('000666'))
+            ->during('getForRefundPayment', [$refundPayment])
+        ;
+    }
+
+    function it_throws_exception_if_order_has_no_completed_payments(
+        OrderRepositoryInterface $orderRepository,
+        RefundPaymentInterface $refundPayment,
+        OrderInterface $order
+    ): void {
+        $refundPayment->getOrderNumber()->willReturn('000666');
+        $orderRepository->findOneByNumber('000666')->willReturn($order);
+
+        $order->getLastPayment(PaymentInterface::STATE_COMPLETED)->willReturn(null);
+
+        $this
+            ->shouldThrow(CompletedPaymentNotFound::withNumber('000666'))
+            ->during('getForRefundPayment', [$refundPayment])
+        ;
+    }
+}
diff --git a/src/Event/RefundPaymentGenerated.php b/src/Event/RefundPaymentGenerated.php
index 48b44ac6..ffe57f14 100644
--- a/src/Event/RefundPaymentGenerated.php
+++ b/src/Event/RefundPaymentGenerated.php
@@ -21,13 +21,23 @@ final class RefundPaymentGenerated
     /** @var int */
     private $paymentMethodId;
 
-    public function __construct(int $id, string $orderNumber, int $amount, string $currencyCode, int $paymentMethodId)
-    {
+    /** @var int */
+    private $paymentId;
+
+    public function __construct(
+        int $id,
+        string $orderNumber,
+        int $amount,
+        string $currencyCode,
+        int $paymentMethodId,
+        int $paymentId
+    ) {
         $this->id = $id;
         $this->orderNumber = $orderNumber;
         $this->amount = $amount;
         $this->currencyCode = $currencyCode;
         $this->paymentMethodId = $paymentMethodId;
+        $this->paymentId = $paymentId;
     }
 
     public function id(): int
@@ -54,4 +64,9 @@ public function paymentMethodId(): int
     {
         return $this->paymentMethodId;
     }
+
+    public function paymentId(): int
+    {
+        return $this->paymentId;
+    }
 }
diff --git a/src/Exception/CompletedPaymentNotFound.php b/src/Exception/CompletedPaymentNotFound.php
new file mode 100644
index 00000000..c8119edf
--- /dev/null
+++ b/src/Exception/CompletedPaymentNotFound.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sylius\RefundPlugin\Exception;
+
+final class CompletedPaymentNotFound extends \InvalidArgumentException
+{
+    public static function withNumber(string $orderNumber): self
+    {
+        return new self(sprintf('Order with number "%s" has no completed payments', $orderNumber));
+    }
+}
diff --git a/src/ProcessManager/RefundPaymentProcessManager.php b/src/ProcessManager/RefundPaymentProcessManager.php
index 33964856..7ffab579 100644
--- a/src/ProcessManager/RefundPaymentProcessManager.php
+++ b/src/ProcessManager/RefundPaymentProcessManager.php
@@ -10,6 +10,7 @@
 use Sylius\RefundPlugin\Event\RefundPaymentGenerated;
 use Sylius\RefundPlugin\Event\UnitsRefunded;
 use Sylius\RefundPlugin\Factory\RefundPaymentFactoryInterface;
+use Sylius\RefundPlugin\Provider\RelatedPaymentIdProviderInterface;
 use Sylius\RefundPlugin\StateResolver\OrderFullyRefundedStateResolverInterface;
 
 final class RefundPaymentProcessManager
@@ -17,6 +18,9 @@ final class RefundPaymentProcessManager
     /** @var OrderFullyRefundedStateResolverInterface */
     private $orderFullyRefundedStateResolver;
 
+    /** @var RelatedPaymentIdProviderInterface */
+    private $relatedPaymentIdProvider;
+
     /** @var RefundPaymentFactoryInterface */
     private $refundPaymentFactory;
 
@@ -28,11 +32,13 @@ final class RefundPaymentProcessManager
 
     public function __construct(
         OrderFullyRefundedStateResolverInterface $orderFullyRefundedStateResolver,
+        RelatedPaymentIdProviderInterface $relatedPaymentIdProvider,
         RefundPaymentFactoryInterface $refundPaymentFactory,
         EntityManagerInterface $entityManager,
         EventBus $eventBus
     ) {
         $this->orderFullyRefundedStateResolver = $orderFullyRefundedStateResolver;
+        $this->relatedPaymentIdProvider = $relatedPaymentIdProvider;
         $this->refundPaymentFactory = $refundPaymentFactory;
         $this->entityManager = $entityManager;
         $this->eventBus = $eventBus;
@@ -56,7 +62,8 @@ public function __invoke(UnitsRefunded $event): void
             $event->orderNumber(),
             $event->amount(),
             $event->currencyCode(),
-            $event->paymentMethodId()
+            $event->paymentMethodId(),
+            $this->relatedPaymentIdProvider->getForRefundPayment($refundPayment)
         ));
 
         $this->orderFullyRefundedStateResolver->resolve($event->orderNumber());
diff --git a/src/Provider/DefaultRelatedPaymentIdProvider.php b/src/Provider/DefaultRelatedPaymentIdProvider.php
new file mode 100644
index 00000000..0e910019
--- /dev/null
+++ b/src/Provider/DefaultRelatedPaymentIdProvider.php
@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sylius\RefundPlugin\Provider;
+
+use Sylius\Component\Core\Model\OrderInterface;
+use Sylius\Component\Core\Model\PaymentInterface;
+use Sylius\Component\Core\Repository\OrderRepositoryInterface;
+use Sylius\RefundPlugin\Entity\RefundPaymentInterface;
+use Sylius\RefundPlugin\Exception\CompletedPaymentNotFound;
+use Sylius\RefundPlugin\Exception\OrderNotFound;
+
+final class DefaultRelatedPaymentIdProvider implements RelatedPaymentIdProviderInterface
+{
+    /** @var OrderRepositoryInterface */
+    private $orderRepository;
+
+    public function __construct(OrderRepositoryInterface $orderRepository)
+    {
+        $this->orderRepository = $orderRepository;
+    }
+
+    public function getForRefundPayment(RefundPaymentInterface $refundPayment): int
+    {
+        $orderNumber = $refundPayment->getOrderNumber();
+        /** @var OrderInterface|null $order */
+        $order = $this->orderRepository->findOneByNumber($orderNumber);
+
+        if ($order === null) {
+            throw OrderNotFound::withNumber($orderNumber);
+        }
+
+        $payment = $order->getLastPayment(PaymentInterface::STATE_COMPLETED);
+
+        if ($payment === null) {
+            throw CompletedPaymentNotFound::withNumber($orderNumber);
+        }
+
+        return $payment->getId();
+    }
+}
diff --git a/src/Provider/RelatedPaymentIdProviderInterface.php b/src/Provider/RelatedPaymentIdProviderInterface.php
new file mode 100644
index 00000000..14b44856
--- /dev/null
+++ b/src/Provider/RelatedPaymentIdProviderInterface.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sylius\RefundPlugin\Provider;
+
+use Sylius\RefundPlugin\Entity\RefundPaymentInterface;
+
+interface RelatedPaymentIdProviderInterface
+{
+    public function getForRefundPayment(RefundPaymentInterface $refundPayment): int;
+}
diff --git a/src/Resources/config/services/event_bus.xml b/src/Resources/config/services/event_bus.xml
index 8bafd0fb..9bc4c5b0 100644
--- a/src/Resources/config/services/event_bus.xml
+++ b/src/Resources/config/services/event_bus.xml
@@ -20,6 +20,7 @@
 
         <service id="Sylius\RefundPlugin\ProcessManager\RefundPaymentProcessManager">
             <argument type="service" id="Sylius\RefundPlugin\StateResolver\OrderFullyRefundedStateResolver" />
+            <argument type="service" id="Sylius\RefundPlugin\Provider\RelatedPaymentIdProviderInterface" />
             <argument type="service" id="Sylius\RefundPlugin\Factory\RefundPaymentFactory" />
             <argument type="service" id="doctrine.orm.default_entity_manager" />
             <argument type="service" id="prooph_service_bus.sylius_refund_event_bus" />
diff --git a/src/Resources/config/services/provider.xml b/src/Resources/config/services/provider.xml
index 79a99562..9add5e64 100644
--- a/src/Resources/config/services/provider.xml
+++ b/src/Resources/config/services/provider.xml
@@ -27,5 +27,9 @@
         <service id="Sylius\RefundPlugin\Provider\UnitRefundedTotalProvider">
             <argument type="service" id="sylius_refund.repository.refund" />
         </service>
+
+        <service id="Sylius\RefundPlugin\Provider\RelatedPaymentIdProviderInterface" class="Sylius\RefundPlugin\Provider\DefaultRelatedPaymentIdProvider">
+            <argument type="service" id="sylius.repository.order" />
+        </service>
     </services>
 </container>