diff --git a/spine-tk2d/Assets/Spine/SpriteCollectionAttachmentLoader.cs b/spine-tk2d/Assets/Spine/SpriteCollectionAttachmentLoader.cs
index 31ca3107d..96af0c941 100644
--- a/spine-tk2d/Assets/Spine/SpriteCollectionAttachmentLoader.cs
+++ b/spine-tk2d/Assets/Spine/SpriteCollectionAttachmentLoader.cs
@@ -22,7 +22,7 @@ public class SpriteCollectionAttachmentLoader : AttachmentLoader {
 		if (index != -1)
 			name = name.Substring(index + 1);
 		
-		tk2dSpriteDefinition def = sprites.GetSpriteDefinition(name);
+		tk2dSpriteDefinition def = sprites.inst.GetSpriteDefinition(name);
 		
 		if (def == null)
 			throw new Exception("Sprite not found in atlas: " + name + " (" + type + ")");