From 5066da574a4783dada958285e2c244dfa218e749 Mon Sep 17 00:00:00 2001
From: Scott Williams <tocsoft@gmail.com>
Date: Fri, 22 Sep 2017 07:33:11 +0100
Subject: [PATCH] fix constuctor validation

---
 src/ImageSharp/Image/ImageFrameCollection.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ImageSharp/Image/ImageFrameCollection.cs b/src/ImageSharp/Image/ImageFrameCollection.cs
index a1cf82c384..3e9bb03435 100644
--- a/src/ImageSharp/Image/ImageFrameCollection.cs
+++ b/src/ImageSharp/Image/ImageFrameCollection.cs
@@ -39,6 +39,7 @@ namespace SixLabors.ImageSharp
             // Frames are already cloned by the caller
             foreach (ImageFrame<TPixel> f in frames)
             {
+                this.ValidateFrame(f);
                 this.frames.Add(f);
             }
         }