--- ImageMagick-6.1.8.orig/magick/image.c	2005-01-14 05:31:08.000000000 +0000
+++ ImageMagick-6.1.8/magick/image.c	2005-03-01 10:17:51.135502232 +0000
@@ -4178,7 +4178,7 @@
       /*
         Rectify multi-image file support.
       */
-      (void) FormatMagickString(filename,MaxTextExtent,image_info->filename,0);
+      (void) FormatMagickString(filename,MaxTextExtent,"%s",image_info->filename,0);
       if ((LocaleCompare(filename,image_info->filename) != 0) &&
           (strchr(filename,'%') == (char *) NULL))
         image_info->adjoin=MagickFalse;