diff --git a/BTCPayServer.Client/BTCPayServer.Client.csproj b/BTCPayServer.Client/BTCPayServer.Client.csproj
index 56c8ae2a3..016b28a91 100644
--- a/BTCPayServer.Client/BTCPayServer.Client.csproj
+++ b/BTCPayServer.Client/BTCPayServer.Client.csproj
@@ -5,7 +5,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="NBitcoin" Version="5.0.38" />
+      <PackageReference Include="NBitcoin" Version="5.0.39" />
       <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     </ItemGroup>
 
diff --git a/BTCPayServer/Controllers/WalletsController.PSBT.cs b/BTCPayServer/Controllers/WalletsController.PSBT.cs
index 14e699719..399209141 100644
--- a/BTCPayServer/Controllers/WalletsController.PSBT.cs
+++ b/BTCPayServer/Controllers/WalletsController.PSBT.cs
@@ -324,7 +324,10 @@ namespace BTCPayServer.Controllers
                             var extKey = ExtKey.Parse(vm.SigningKey, network.NBitcoinNetwork);
                             proposedPayjoin = proposedPayjoin.SignAll(derivationSchemeSettings.AccountDerivation,
                                 extKey,
-                                RootedKeyPath.Parse(vm.SigningKeyPath));
+                                RootedKeyPath.Parse(vm.SigningKeyPath), new SigningOptions()
+                                {
+                                    EnforceLowR = !(vm.SigningContext?.EnforceLowR is false)
+                                });
                             vm.SigningContext.PSBT = proposedPayjoin.ToBase64();
                             vm.SigningContext.OriginalPSBT = psbt.ToBase64();
                             proposedPayjoin.Finalize();
diff --git a/BTCPayServer/Controllers/WalletsController.cs b/BTCPayServer/Controllers/WalletsController.cs
index 5c1985dd5..1c6f05256 100644
--- a/BTCPayServer/Controllers/WalletsController.cs
+++ b/BTCPayServer/Controllers/WalletsController.cs
@@ -914,7 +914,10 @@ namespace BTCPayServer.Controllers
                 return View(viewModel);
             }
 
-            var changed = PSBTChanged(psbt, () => psbt.SignAll(settings.AccountDerivation, signingKey, rootedKeyPath));
+            var changed = PSBTChanged(psbt, () => psbt.SignAll(settings.AccountDerivation, signingKey, rootedKeyPath, new SigningOptions()
+            {
+                EnforceLowR = !(viewModel.SigningContext?.EnforceLowR is false)
+            }));
             if (!changed)
             {
                 ModelState.AddModelError(nameof(viewModel.SeedOrKey), "Impossible to sign the transaction. Probable cause: Incorrect account key path in wallet settings, PSBT already signed.");
diff --git a/BTCPayServer/Views/Wallets/SigningContext.cshtml b/BTCPayServer/Views/Wallets/SigningContext.cshtml
new file mode 100644
index 000000000..4c689271d
--- /dev/null
+++ b/BTCPayServer/Views/Wallets/SigningContext.cshtml
@@ -0,0 +1,10 @@
+@model BTCPayServer.Models.WalletViewModels.SigningContextModel
+
+@if (Model != null)
+{
+    <input type="hidden" asp-for="PSBT" />
+    <input type="hidden" asp-for="OriginalPSBT" />
+    <input type="hidden" asp-for="PayJoinEndpointUrl" />
+    <input type="hidden" asp-for="EnforceLowR" />
+    <input type="hidden" asp-for="ChangeAddress" />
+}