diff --git a/sandbox/WpfApp1/MainWindow.xaml.cs b/sandbox/WpfApp1/MainWindow.xaml.cs
index 85290c8f..1fb97719 100644
--- a/sandbox/WpfApp1/MainWindow.xaml.cs
+++ b/sandbox/WpfApp1/MainWindow.xaml.cs
@@ -58,7 +58,7 @@ protected override void OnClosed(EventArgs e)
 public class BasicUsagesViewModel : IDisposable
 {
     public BindableReactiveProperty<string> Input { get; }
-    public IBindableReadOnlyReactiveProperty Output { get; }
+    public IReadOnlyBindableReactiveProperty Output { get; }
 
     public BasicUsagesViewModel()
     {
diff --git a/src/R3/BindableReactiveProperty.cs b/src/R3/BindableReactiveProperty.cs
index fe2972bf..0554b1fb 100644
--- a/src/R3/BindableReactiveProperty.cs
+++ b/src/R3/BindableReactiveProperty.cs
@@ -9,12 +9,12 @@ namespace R3;
 
 // for binding(TriggerAction, Behavior) usage
 
-public interface IBindableReadOnlyReactiveProperty : INotifyPropertyChanged, INotifyDataErrorInfo, IDisposable
+public interface IReadOnlyBindableReactiveProperty : INotifyPropertyChanged, INotifyDataErrorInfo, IDisposable
 {
     object? Value { get; }
 }
 
-public interface IBindableReactiveProperty : IBindableReadOnlyReactiveProperty
+public interface IBindableReactiveProperty : IReadOnlyBindableReactiveProperty
 {
     new object? Value { get; set; }
     void OnNext(object? value);
@@ -262,7 +262,7 @@ void IBindableReactiveProperty.OnNext(object? value)
 
     // IBindableReadOnlyReactiveProperty
 
-    object? IBindableReadOnlyReactiveProperty.Value
+    object? IReadOnlyBindableReactiveProperty.Value
     {
         get => Value;
     }