diff --git a/BTCPayServer.Tests/UnitTest1.cs b/BTCPayServer.Tests/UnitTest1.cs
index 08f01b3fb..271eaa000 100644
--- a/BTCPayServer.Tests/UnitTest1.cs
+++ b/BTCPayServer.Tests/UnitTest1.cs
@@ -761,7 +761,7 @@ namespace BTCPayServer.Tests
             await user.GrantAccessAsync();
             await user.RegisterDerivationSchemeAsync("BTC");
             await user.RegisterLightningNodeAsync("BTC", LightningConnectionType.CLightning);
-
+            user.SetNetworkFeeMode(NetworkFeeMode.Never);
             var invoice = await user.BitPay.CreateInvoiceAsync(new Invoice(0.01m, "BTC"));
             await tester.WaitForEvent<InvoiceNewAddressEvent>(async () =>
             {
@@ -769,9 +769,27 @@ namespace BTCPayServer.Tests
                     BitcoinAddress.Create(invoice.BitcoinAddress, Network.RegTest), Money.Coins(0.005m));
             });
 
-            var localInvoice = await user.BitPay.GetInvoiceAsync(invoice.Id);
-            Assert.NotEqual(invoice.CryptoInfo.First(o => o.PaymentUrls.BOLT11 != null).PaymentUrls.BOLT11,
-                localInvoice.CryptoInfo.First(o => o.PaymentUrls.BOLT11 != null).PaymentUrls.BOLT11);
+            var newInvoice = await user.BitPay.GetInvoiceAsync(invoice.Id);
+            var newBolt11  = newInvoice.CryptoInfo.First(o => o.PaymentUrls.BOLT11 != null).PaymentUrls.BOLT11;
+            var  oldBolt11= invoice.CryptoInfo.First(o => o.PaymentUrls.BOLT11 != null).PaymentUrls.BOLT11;
+            Assert.NotEqual(newBolt11,oldBolt11);
+            Assert.Equal(newInvoice.BtcDue.GetValue(), BOLT11PaymentRequest.Parse(newBolt11, Network.RegTest).MinimumAmount.ToDecimal(LightMoneyUnit.BTC));
+            var evt = await tester.WaitForEvent<InvoiceDataChangedEvent>(async () =>
+            {
+                await tester.SendLightningPaymentAsync(newInvoice);
+            });
+            Assert.Equal(evt.InvoiceId, invoice.Id);
+            Assert.Equal(InvoiceStatus.Complete, evt.State.Status);
+            Assert.Equal(InvoiceExceptionStatus.None, evt.State.ExceptionStatus);
+            
+            evt = await tester.WaitForEvent<InvoiceDataChangedEvent>(async () =>
+            {
+                await tester.SendLightningPaymentAsync(invoice);
+            });
+            
+            Assert.Equal(evt.InvoiceId, invoice.Id);
+            Assert.Equal(InvoiceStatus.Invalid, evt.State.Status);
+            Assert.Equal(InvoiceExceptionStatus.PaidOver, evt.State.ExceptionStatus);
         }
 
         [Fact(Timeout = 60 * 2 * 1000)]