diff --git a/sandbox/WpfApp1/MainWindow.xaml.cs b/sandbox/WpfApp1/MainWindow.xaml.cs
index 1fb97719..74436b64 100644
--- a/sandbox/WpfApp1/MainWindow.xaml.cs
+++ b/sandbox/WpfApp1/MainWindow.xaml.cs
@@ -63,7 +63,7 @@ public class BasicUsagesViewModel : IDisposable
     public BasicUsagesViewModel()
     {
         Input = new BindableReactiveProperty<string>("");
-        Output = Input.Select(x => x.ToUpper()).ToBindableReadOnlyReactiveProperty("");
+        Output = Input.Select(x => x.ToUpper()).ToReadOnlyBindableReactiveProperty("");
     }
 
     public void Dispose()
diff --git a/src/R3/ReactivePropertyExtensions.cs b/src/R3/ReactivePropertyExtensions.cs
index 5e6955c9..16d08626 100644
--- a/src/R3/ReactivePropertyExtensions.cs
+++ b/src/R3/ReactivePropertyExtensions.cs
@@ -30,12 +30,12 @@ public static BindableReactiveProperty<T> ToBindableReactiveProperty<T>(this Obs
         return new BindableReactiveProperty<T>(source, initialValue, equalityComparer);
     }
 
-    public static IBindableReactiveProperty ToBindableReadOnlyReactiveProperty<T>(this Observable<T> source, T initialValue = default!)
+    public static IBindableReactiveProperty ToReadOnlyBindableReactiveProperty<T>(this Observable<T> source, T initialValue = default!)
     {
         return new BindableReactiveProperty<T>(source, initialValue, EqualityComparer<T>.Default);
     }
 
-    public static IBindableReactiveProperty ToBindableReadOnlyReactiveProperty<T>(this Observable<T> source, IEqualityComparer<T>? equalityComparer, T initialValue = default!)
+    public static IBindableReactiveProperty ToReadOnlyBindableReactiveProperty<T>(this Observable<T> source, IEqualityComparer<T>? equalityComparer, T initialValue = default!)
     {
         return new BindableReactiveProperty<T>(source, initialValue, equalityComparer);
     }