diff --git a/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/SoftMask.cs b/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/SoftMask.cs
index 7a817a8..fecb688 100755
--- a/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/SoftMask.cs
+++ b/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/SoftMask.cs
@@ -414,7 +414,7 @@ namespace Coffee.UIExtensions
 					Matrix4x4 nowsVP = cam.projectionMatrix * cam.worldToCameraMatrix;
 
 #if UNITY_2018_1_OR_NEWER
-					Matrix4x4 previousVP = cam.reviousViewProjectionMatrix;
+					Matrix4x4 previousVP = cam.previousViewProjectionMatrix;
 #else
 					Matrix4x4 previousVP = default(Matrix4x4);
 					int id = cam.GetInstanceID ();