diff --git a/spec/Provider/TaxRateAmountProviderSpec.php b/spec/Provider/TaxRateAmountProviderSpec.php
index 0d6116672..954d84ca6 100644
--- a/spec/Provider/TaxRateAmountProviderSpec.php
+++ b/spec/Provider/TaxRateAmountProviderSpec.php
@@ -8,7 +8,6 @@
 use Sylius\RefundPlugin\Entity\AdjustmentInterface;
 use Sylius\RefundPlugin\Provider\TaxRateAmountProviderInterface;
 
-
 final class TaxRateAmountProviderSpec extends ObjectBehavior
 {
     function it_implements_tax_rate_provider_interface(): void
@@ -23,7 +22,6 @@ function it_provides_a_tax_rate_amount_from_tax_adjustment(AdjustmentInterface $
         $this->provide($adjustment)->shouldReturn(0.20);
     }
 
-
     function it_throws_exception_if_order_item_unit_has_more_than_1_tax_adjustment(AdjustmentInterface $adjustment): void
     {
         $adjustment->getDetails()->willReturn(['detail' => 'detail']);
diff --git a/spec/Provider/TaxRateProviderSpec.php b/spec/Provider/TaxRateProviderSpec.php
index b676ff118..7963d3ee0 100644
--- a/spec/Provider/TaxRateProviderSpec.php
+++ b/spec/Provider/TaxRateProviderSpec.php
@@ -44,7 +44,6 @@ function it_returns_null_if_there_is_no_tax_adjustment(OrderItemUnitInterface $o
     function it_returns_null_if_there_is_no_adjustment_with_details_with_tax_rate_amount(
         OrderItemUnitInterface $orderItemUnit,
         AdjustmentInterface $taxAdjustment
-
     ): void {
         $orderItemUnit
             ->getAdjustments(AdjustmentInterface::TAX_ADJUSTMENT)
@@ -60,7 +59,6 @@ function it_throws_exception_if_order_item_unit_has_more_than_1_tax_adjustment(
         OrderItemUnitInterface $orderItemUnit,
         AdjustmentInterface $firstTaxAdjustment,
         AdjustmentInterface $secondTaxAdjustment
-
     ): void {
         $orderItemUnit
             ->getAdjustments(AdjustmentInterface::TAX_ADJUSTMENT)
diff --git a/src/Converter/ShipmentLineItemsConverter.php b/src/Converter/ShipmentLineItemsConverter.php
index de4cb7a2f..347f96935 100644
--- a/src/Converter/ShipmentLineItemsConverter.php
+++ b/src/Converter/ShipmentLineItemsConverter.php
@@ -59,12 +59,15 @@ private function convertUnitRefundToLineItem(ShipmentRefund $shipmentRefund): Li
 
         $grossValue = $shipmentRefund->total();
 
-        $taxAdjustment = $shipment->getAdjustments(AdjustmentInterface::TAX_ADJUSTMENT)->first();
+        $taxAdjustments = $shipment->getAdjustments(AdjustmentInterface::TAX_ADJUSTMENT);
+
+        $taxAdjustmentAmount = 0;
+        if (count($taxAdjustments) > 0) {
+            $taxAdjustmentAmount = $this->taxRateAmountProvider->provide($taxAdjustments[0]);
+        }
 
-        $taxAdjustmentAmount = $this->taxRateAmountProvider->provide($taxAdjustment);
         $taxRate = $taxAdjustmentAmount * 100 . '%';
         $taxAmount = (int) ($grossValue * $taxAdjustmentAmount);
-
         $netValue = $grossValue - $taxAmount;
 
         return new LineItem(
diff --git a/tests/Behat/Context/Ui/CreditMemoContext.php b/tests/Behat/Context/Ui/CreditMemoContext.php
index 11d4dac63..7a5d38a39 100644
--- a/tests/Behat/Context/Ui/CreditMemoContext.php
+++ b/tests/Behat/Context/Ui/CreditMemoContext.php
@@ -226,7 +226,6 @@ public function itsTotalShouldBeInCurrency(string $total, string $currencyCode):
     public function itsNetTotalShouldBe(string $total): void
     {
         Assert::same($this->creditMemoDetailsPage->getNetTotal(), $total);
-
     }
 
     /**
@@ -235,7 +234,6 @@ public function itsNetTotalShouldBe(string $total): void
     public function itsTaxTotalShouldBe(string $total): void
     {
         Assert::same($this->creditMemoDetailsPage->getTaxTotal(), $total);
-
     }
 
     /**