diff --git a/src/Ursa/Controls/PinCode/PinCode.cs b/src/Ursa/Controls/PinCode/PinCode.cs
index 4c9bc62..a04fb6d 100644
--- a/src/Ursa/Controls/PinCode/PinCode.cs
+++ b/src/Ursa/Controls/PinCode/PinCode.cs
@@ -162,10 +162,11 @@ public class PinCode: TemplatedControl
     protected async void OnPreviewKeyDown(KeyEventArgs e)
     {
         TextBox b = new TextBox();
-        var pasteKeys = Application.Current?.PlatformSettings.HotkeyConfiguration.Paste;
+        var pasteKeys = Application.Current?.PlatformSettings?.HotkeyConfiguration.Paste;
         if (pasteKeys?.Any(a => a.Matches(e)) == true)
         {
             var clipboard = TopLevel.GetTopLevel(this)?.Clipboard;
+            if (clipboard is null) return;
             var text = await clipboard.GetTextAsync();
             if (text is not null)
             {
diff --git a/tests/HeadlessTest.Ursa/Controls/UrsaWindowTests/UrsaWindowTest.cs b/tests/HeadlessTest.Ursa/Controls/UrsaWindowTests/UrsaWindowTest.cs
index 101e2d6..b0825c7 100644
--- a/tests/HeadlessTest.Ursa/Controls/UrsaWindowTests/UrsaWindowTest.cs
+++ b/tests/HeadlessTest.Ursa/Controls/UrsaWindowTests/UrsaWindowTest.cs
@@ -17,7 +17,7 @@ public class UrsaWindowTest
     }
 
     [AvaloniaFact]
-    public async void Inferenced_Window_Closing_Called_Once_When_Yes()
+    public void Inferenced_Window_Closing_Called_Once_When_Yes()
     {
         var window = new UrsaWindowWithCloseInference();
         window.Show();
@@ -29,7 +29,7 @@ public class UrsaWindowTest
     }
 
     [AvaloniaFact]
-    public async void Inferenced_Window_Closing_Called_Once_When_No()
+    public void Inferenced_Window_Closing_Called_Once_When_No()
     {
         var window = new UrsaWindowWithCloseInference();
         window.Show();