diff --git a/src/Markup/Perspex.Markup.Xaml/Data/MultiBinding.cs b/src/Markup/Perspex.Markup.Xaml/Data/MultiBinding.cs
index 1e27cc230a..4ea1feb9a2 100644
--- a/src/Markup/Perspex.Markup.Xaml/Data/MultiBinding.cs
+++ b/src/Markup/Perspex.Markup.Xaml/Data/MultiBinding.cs
@@ -31,7 +31,7 @@ namespace Perspex.Markup.Xaml.Data
         /// <summary>
         /// Gets or sets the binding mode.
         /// </summary>
-        public BindingMode Mode { get; set; }
+        public BindingMode Mode { get; set; } = BindingMode.OneWay;
 
         /// <summary>
         /// Gets or sets the binding priority.