diff --git a/coders/dot.c b/coders/dot.c
index 282b6d4..54c5e35 100644
--- a/coders/dot.c
+++ b/coders/dot.c
@@ -130,6 +130,7 @@
   if (status == MagickFalse)
     return((Image *) NULL);
   read_info=CloneImageInfo(image_info);
+  SetImageInfoBlob(read_info,(void *) NULL,0);
   (void) CopyMagickString(read_info->magick,"SVG",MaxTextExtent);
   (void) AcquireUniqueFilename(read_info->filename);
   (void) FormatMagickString(command,MaxTextExtent,"-Tsvg -o%s %s",