diff --git a/BTCPayServer/Controllers/GreenField/InvoiceController.cs b/BTCPayServer/Controllers/GreenField/InvoiceController.cs
index 1e08ac139..db3fd6acf 100644
--- a/BTCPayServer/Controllers/GreenField/InvoiceController.cs
+++ b/BTCPayServer/Controllers/GreenField/InvoiceController.cs
@@ -215,7 +215,7 @@ namespace BTCPayServer.Controllers.GreenField
             try
             {
                 var invoice = await _invoiceController.CreateInvoiceCoreRaw(request, store,
-                    Request.GetAbsoluteUri(""));
+                    Request.GetAbsoluteRoot());
                 return Ok(ToModel(invoice));
             }
             catch (BitpayHttpException e)
diff --git a/BTCPayServer/Controllers/PaymentRequestController.cs b/BTCPayServer/Controllers/PaymentRequestController.cs
index 42ded5bef..d600a0900 100644
--- a/BTCPayServer/Controllers/PaymentRequestController.cs
+++ b/BTCPayServer/Controllers/PaymentRequestController.cs
@@ -275,7 +275,7 @@ namespace BTCPayServer.Controllers
                     };
 
                 var additionalTags = new List<string> {PaymentRequestRepository.GetInternalTag(id)};
-                var newInvoice = await _InvoiceController.CreateInvoiceCoreRaw(invoiceRequest,store, "/",additionalTags, cancellationToken);
+                var newInvoice = await _InvoiceController.CreateInvoiceCoreRaw(invoiceRequest,store, Request.GetAbsoluteRoot(), additionalTags, cancellationToken);
 
                 if (redirectToInvoice)
                 {
diff --git a/BTCPayServer/Plugins/Shopify/ShopifyController.cs b/BTCPayServer/Plugins/Shopify/ShopifyController.cs
index 0e93d2be6..08a3d2df6 100644
--- a/BTCPayServer/Plugins/Shopify/ShopifyController.cs
+++ b/BTCPayServer/Plugins/Shopify/ShopifyController.cs
@@ -193,7 +193,7 @@ namespace BTCPayServer.Plugins.Shopify
                         Currency = order.Currency,
                         Metadata = new JObject {["orderId"] = invoiceOrderId}
                     }, store,
-                    Request.GetAbsoluteUri(""), new List<string>() {invoiceOrderId});
+                    Request.GetAbsoluteRoot(), new List<string>() {invoiceOrderId});
 
                 return Ok(new {invoiceId = invoice.Id, status = invoice.Status.ToString().ToLowerInvariant()});
             }