https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=31284

diff --git a/MagickWand/mogrify.c b/MagickWand/mogrify.c
index e1472b43c763b19e1dbd1b41066710fe6a85af09..97bf3faf3b5df55f8f3589dbae53737978fac914 100644 (file)
--- a/MagickWand/mogrify.c
+++ b/MagickWand/mogrify.c
@@ -7913,6 +7913,7 @@ WandExport MagickBooleanType MogrifyImageList(ImageInfo *image_info,
               geometry;
 
             /* Compose value from "-compose" option only */
+            (void) SyncImageSettings(mogrify_info,*images,exception);
             value=GetImageOption(mogrify_info,"compose");
             if (value == (const char *) NULL)
               compose=OverCompositeOp;  /* use Over not source_image->compose */