diff --git a/samples/ControlCatalog/Pages/DialogsPage.xaml.cs b/samples/ControlCatalog/Pages/DialogsPage.xaml.cs
index 971a6a6718..4d617fd313 100644
--- a/samples/ControlCatalog/Pages/DialogsPage.xaml.cs
+++ b/samples/ControlCatalog/Pages/DialogsPage.xaml.cs
@@ -307,7 +307,7 @@ namespace ControlCatalog.Pages
             Content:
             ";
 
-                        resultText += await ReadTextFromFile(file, 10000);
+                        resultText += await ReadTextFromFile(file, 500);
                     }
 
                     openedFileContent.Text = resultText;
diff --git a/src/Avalonia.FreeDesktop/Avalonia.FreeDesktop.csproj b/src/Avalonia.FreeDesktop/Avalonia.FreeDesktop.csproj
index 31b65dcc02..779c41757a 100644
--- a/src/Avalonia.FreeDesktop/Avalonia.FreeDesktop.csproj
+++ b/src/Avalonia.FreeDesktop/Avalonia.FreeDesktop.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Tmds.DBus.Protocol" Version="0.15.0" />
-    <PackageReference Include="Tmds.DBus.SourceGenerator" Version="0.0.7" PrivateAssets="All" />
+    <PackageReference Include="Tmds.DBus.SourceGenerator" Version="0.0.8" PrivateAssets="All" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Avalonia.FreeDesktop/DBusIme/DBusTextInputMethodBase.cs b/src/Avalonia.FreeDesktop/DBusIme/DBusTextInputMethodBase.cs
index d3c14f285d..936e856cf0 100644
--- a/src/Avalonia.FreeDesktop/DBusIme/DBusTextInputMethodBase.cs
+++ b/src/Avalonia.FreeDesktop/DBusIme/DBusTextInputMethodBase.cs
@@ -76,7 +76,10 @@ namespace Avalonia.FreeDesktop.DBusIme
         private async void OnNameChange(Exception? e, (string ServiceName, string? OldOwner, string? NewOwner) args)
         {
             if (e is not null)
+            {
+                Logger.TryGet(LogEventLevel.Error, LogArea.FreeDesktopPlatform)?.Log(this, $"OnNameChange failed: {e}");
                 return;
+            }
 
             if (args.NewOwner is not null && _currentName is null)
             {
diff --git a/src/Avalonia.FreeDesktop/DBusIme/Fcitx/FcitxX11TextInputMethod.cs b/src/Avalonia.FreeDesktop/DBusIme/Fcitx/FcitxX11TextInputMethod.cs
index 1cf3507cc2..2eca5a1fef 100644
--- a/src/Avalonia.FreeDesktop/DBusIme/Fcitx/FcitxX11TextInputMethod.cs
+++ b/src/Avalonia.FreeDesktop/DBusIme/Fcitx/FcitxX11TextInputMethod.cs
@@ -4,6 +4,7 @@ using System.Threading.Tasks;
 using Avalonia.Input;
 using Avalonia.Input.Raw;
 using Avalonia.Input.TextInput;
+using Avalonia.Logging;
 using Tmds.DBus.Protocol;
 using Tmds.DBus.SourceGenerator;
 
@@ -138,7 +139,10 @@ namespace Avalonia.FreeDesktop.DBusIme.Fcitx
         private void OnCommitString(Exception? e, string s)
         {
             if (e is not null)
+            {
+                Logger.TryGet(LogEventLevel.Error, LogArea.FreeDesktopPlatform)?.Log(this, $"OnCommitString failed: {e}");
                 return;
+            }
 
             FireCommit(s);
         }
diff --git a/src/Avalonia.FreeDesktop/DBusIme/IBus/IBusX11TextInputMethod.cs b/src/Avalonia.FreeDesktop/DBusIme/IBus/IBusX11TextInputMethod.cs
index 59e9ecd1cf..26fa971106 100644
--- a/src/Avalonia.FreeDesktop/DBusIme/IBus/IBusX11TextInputMethod.cs
+++ b/src/Avalonia.FreeDesktop/DBusIme/IBus/IBusX11TextInputMethod.cs
@@ -3,6 +3,7 @@ using System.Threading.Tasks;
 using Avalonia.Input;
 using Avalonia.Input.Raw;
 using Avalonia.Input.TextInput;
+using Avalonia.Logging;
 using Tmds.DBus.Protocol;
 using Tmds.DBus.SourceGenerator;
 
@@ -31,7 +32,10 @@ namespace Avalonia.FreeDesktop.DBusIme.IBus
         private void OnForwardKey(Exception? e, (uint keyval, uint keycode, uint state) k)
         {
             if (e is not null)
+            {
+                Logger.TryGet(LogEventLevel.Error, LogArea.FreeDesktopPlatform)?.Log(this, $"OnForwardKey failed: {e}");
                 return;
+            }
 
             var state = (IBusModifierMask)k.state;
             KeyModifiers mods = default;
@@ -54,7 +58,10 @@ namespace Avalonia.FreeDesktop.DBusIme.IBus
         private void OnCommitText(Exception? e, DBusVariantItem variantItem)
         {
             if (e is not null)
+            {
+                Logger.TryGet(LogEventLevel.Error, LogArea.FreeDesktopPlatform)?.Log(this, $"OnCommitText failed: {e}");
                 return;
+            }
 
             if (variantItem.Value is DBusStructItem { Count: >= 3 } structItem && structItem[2] is DBusStringItem stringItem)
                 FireCommit(stringItem.Value);
diff --git a/src/Avalonia.FreeDesktop/DBusSystemDialog.cs b/src/Avalonia.FreeDesktop/DBusSystemDialog.cs
index cd6f829d7a..f6964ab92a 100644
--- a/src/Avalonia.FreeDesktop/DBusSystemDialog.cs
+++ b/src/Avalonia.FreeDesktop/DBusSystemDialog.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Text;
 using System.Threading.Tasks;
 using Avalonia.Platform;
 using Avalonia.Platform.Storage;
@@ -66,8 +67,9 @@ namespace Avalonia.FreeDesktop
             using var disposable = await request.WatchResponseAsync((e, x) =>
             {
                 if (e is not null)
-                    return;
-                tsc.TrySetResult((x.results["uris"].Value as DBusArrayItem)?.Select(static y => (y as DBusStringItem)!.Value).ToArray());
+                    tsc.TrySetException(e);
+                else
+                    tsc.TrySetResult((x.results["uris"].Value as DBusArrayItem)?.Select(static y => (y as DBusStringItem)!.Value).ToArray());
             });
 
             var uris = await tsc.Task ?? Array.Empty<string>();
@@ -86,7 +88,7 @@ namespace Avalonia.FreeDesktop
             if (options.SuggestedFileName is { } currentName)
                 chooserOptions.Add("current_name", new DBusVariantItem("s", new DBusStringItem(currentName)));
             if (options.SuggestedStartLocation?.TryGetLocalPath()  is { } folderPath)
-                chooserOptions.Add("current_folder", new DBusVariantItem("s", new DBusStringItem(folderPath)));
+                chooserOptions.Add("current_folder", new DBusVariantItem("ay", new DBusArrayItem(DBusType.Byte, Encoding.UTF8.GetBytes(folderPath).Select(static x => new DBusByteItem(x)))));
 
             objectPath = await _fileChooser.SaveFileAsync(parentWindow, options.Title ?? string.Empty, chooserOptions);
             var request = new OrgFreedesktopPortalRequest(_connection, "org.freedesktop.portal.Desktop", objectPath);
@@ -94,8 +96,9 @@ namespace Avalonia.FreeDesktop
             using var disposable = await request.WatchResponseAsync((e, x) =>
             {
                 if (e is not null)
-                    return;
-                tsc.TrySetResult((x.results["uris"].Value as DBusArrayItem)?.Select(static y => (y as DBusStringItem)!.Value).ToArray());
+                    tsc.TrySetException(e);
+                else
+                    tsc.TrySetResult((x.results["uris"].Value as DBusArrayItem)?.Select(static y => (y as DBusStringItem)!.Value).ToArray());
             });
 
             var uris = await tsc.Task;
@@ -124,8 +127,9 @@ namespace Avalonia.FreeDesktop
             using var disposable = await request.WatchResponseAsync((e, x) =>
             {
                 if (e is not null)
-                    return;
-                tsc.TrySetResult((x.results["uris"].Value as DBusArrayItem)?.Select(static y => (y as DBusStringItem)!.Value).ToArray());
+                    tsc.TrySetException(e);
+                else
+                    tsc.TrySetResult((x.results["uris"].Value as DBusArrayItem)?.Select(static y => (y as DBusStringItem)!.Value).ToArray());
             });
 
             var uris = await tsc.Task ?? Array.Empty<string>();