diff --git a/v2rayN/ServiceLib/Common/Utils.cs b/v2rayN/ServiceLib/Common/Utils.cs
index 3907b1a7..2a00560a 100644
--- a/v2rayN/ServiceLib/Common/Utils.cs
+++ b/v2rayN/ServiceLib/Common/Utils.cs
@@ -1101,6 +1101,13 @@ public class Utils
 
     public static bool IsLinux() => OperatingSystem.IsLinux();
 
+    public static bool IsWayland() =>
+        OperatingSystem.IsLinux()
+        && (
+            Environment.GetEnvironmentVariable("WAYLAND_DISPLAY").IsNotEmpty()
+            || string.Equals(Environment.GetEnvironmentVariable("XDG_SESSION_TYPE"), "wayland", StringComparison.OrdinalIgnoreCase)
+        );
+
     public static bool IsMacOS() => OperatingSystem.IsMacOS();
 
     public static bool IsNonWindows() => !OperatingSystem.IsWindows();
diff --git a/v2rayN/v2rayN.Desktop/Base/WindowBase.cs b/v2rayN/v2rayN.Desktop/Base/WindowBase.cs
index 86ba979e..26fadc77 100644
--- a/v2rayN/v2rayN.Desktop/Base/WindowBase.cs
+++ b/v2rayN/v2rayN.Desktop/Base/WindowBase.cs
@@ -8,7 +8,7 @@ public class WindowBase<TViewModel> : ReactiveWindow<TViewModel> where TViewMode
 
     public WindowBase()
     {
-        if (Utils.IsLinux())
+        if (Utils.IsWayland())
         {
             SystemDecorations = SystemDecorations.BorderOnly;
         }
@@ -65,7 +65,7 @@ public class WindowBase<TViewModel> : ReactiveWindow<TViewModel> where TViewMode
 
     private void ConfigureLinuxTitleBar()
     {
-        if (!Utils.IsLinux())
+        if (!Utils.IsWayland())
         {
             return;
         }
diff --git a/v2rayN/v2rayN.Desktop/Common/UI.cs b/v2rayN/v2rayN.Desktop/Common/UI.cs
index 429ba344..79638cd9 100644
--- a/v2rayN/v2rayN.Desktop/Common/UI.cs
+++ b/v2rayN/v2rayN.Desktop/Common/UI.cs
@@ -18,7 +18,7 @@ internal class UI
             WindowStartupLocation = WindowStartupLocation.CenterOwner,
             CanResize = false,
             Topmost = false,
-            SystemDecorations = Utils.IsLinux() ? SystemDecorations.BorderOnly : SystemDecorations.Full
+            SystemDecorations = Utils.IsWayland() ? SystemDecorations.BorderOnly : SystemDecorations.Full
         };
         var box = MessageBoxManager.GetMessageBoxStandard(messageBoxParams);
         return await box.ShowWindowDialogAsync(owner);