diff --git a/spine-csharp/src/Skeleton.cs b/spine-csharp/src/Skeleton.cs
index 70f776c393..601fb71ff8 100644
--- a/spine-csharp/src/Skeleton.cs
+++ b/spine-csharp/src/Skeleton.cs
@@ -45,7 +45,7 @@ public class Skeleton {
 		internal Skin skin;
 		internal float r = 1, g = 1, b = 1, a = 1;
 		internal float time;
-		internal float scaleX, scaleY;
+		internal float scaleX = 1, scaleY = 1;
 		internal float x, y;
 
 		public SkeletonData Data { get { return data; } }