diff --git a/src/csharp/Facebook.CSSLayout/CSSNode.cs b/src/csharp/Facebook.CSSLayout/CSSNode.cs
index 9479f7bb..c6d50881 100644
--- a/src/csharp/Facebook.CSSLayout/CSSNode.cs
+++ b/src/csharp/Facebook.CSSLayout/CSSNode.cs
@@ -380,7 +380,7 @@ namespace Facebook.CSSLayout
         public float Width
         {
             get { return style.dimensions[DIMENSION_WIDTH]; }
-            set { updateFloatValue(ref style.dimensions[DIMENSION_HEIGHT], value); }
+            set { updateFloatValue(ref style.dimensions[DIMENSION_WIDTH], value); }
         }
 
         public float Height