diff --git a/MagickCore/channel.c b/MagickCore/channel.c
index f64346e7a2..f286537ddd 100644
--- a/MagickCore/channel.c
+++ b/MagickCore/channel.c
@@ -660,6 +660,8 @@ MagickExport Image *CombineImages(const Image *image,
   combine_view=DestroyCacheView(combine_view);
   if (status == MagickFalse)
     combine_image=DestroyImage(combine_image);
+  else
+    combine_image->type=UndefinedType;
   return(combine_image);
 }