diff --git a/Assets/Coffee/UIExtensions/UIEffect/Scripts/UIFlip.cs b/Assets/Coffee/UIExtensions/UIEffect/Scripts/UIFlip.cs
index 0e1f350a..abd0beae 100644
--- a/Assets/Coffee/UIExtensions/UIEffect/Scripts/UIFlip.cs
+++ b/Assets/Coffee/UIExtensions/UIEffect/Scripts/UIFlip.cs
@@ -51,6 +51,8 @@ public bool vertical
         /// <param name="vh">VertexHelper.</param>
         public override void ModifyMesh(VertexHelper vh)
         {
+            if (!isActiveAndEnabled) return;
+
             var vt = default(UIVertex);
             for (var i = 0; i < vh.currentVertCount; i++)
             {
diff --git a/Assets/Coffee/UIExtensions/UIEffect/Scripts/UIGradient.cs b/Assets/Coffee/UIExtensions/UIEffect/Scripts/UIGradient.cs
index 0808c406..f5799023 100755
--- a/Assets/Coffee/UIExtensions/UIEffect/Scripts/UIGradient.cs
+++ b/Assets/Coffee/UIExtensions/UIEffect/Scripts/UIGradient.cs
@@ -232,7 +232,7 @@ public bool ignoreAspectRatio
         /// </summary>
         public override void ModifyMesh(VertexHelper vh)
         {
-            if (!IsActive())
+            if (!isActiveAndEnabled)
                 return;
 
             // Gradient space.