From bf95a84821076e76fa92bc3ecbe528ac8c7bb69a Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@lemstra.org>
Date: Sun, 26 Apr 2026 18:00:29 +0200
Subject: [PATCH] Reset image type after -combine to avoid incorrect output
 images (#1835)

---
 MagickCore/channel.c | 2 ++
 1 file changed, 2 insertions(+)

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);
 }