diff --git a/src/Avalonia.Diagnostics/Diagnostics/Views/PropertyValueEditorView.cs b/src/Avalonia.Diagnostics/Diagnostics/Views/PropertyValueEditorView.cs
index 6b52989f0b..2811d895c1 100644
--- a/src/Avalonia.Diagnostics/Diagnostics/Views/PropertyValueEditorView.cs
+++ b/src/Avalonia.Diagnostics/Diagnostics/Views/PropertyValueEditorView.cs
@@ -64,11 +64,12 @@ namespace Avalonia.Diagnostics.Views
                 where TControl : Control, new()
             {
                 var control = new TControl();
+                var bindingMode = Property.IsReadonly ? BindingMode.OneWay : BindingMode.TwoWay;
 
                 init?.Invoke(control);
 
                 control.Bind(valueProperty,
-                    new Binding(nameof(Property.Value), BindingMode.TwoWay)
+                    new Binding(nameof(Property.Value), bindingMode)
                     {
                         Source = Property,
                         Converter = converter ?? new ValueConverter(),