diff --git a/Packages/src/Runtime/SoftMask.cs b/Packages/src/Runtime/SoftMask.cs
index c653092..7803245 100644
--- a/Packages/src/Runtime/SoftMask.cs
+++ b/Packages/src/Runtime/SoftMask.cs
@@ -598,6 +598,8 @@ public override Material GetModifiedMaterial(Material baseMaterial)
 
         private void SetDirtyAndNotify()
         {
+            if (isDirty || !this || !isActiveAndEnabled) return;
+
             SetSoftMaskDirty();
             MaskUtilities.NotifyStencilStateChanged(this);
         }