diff -Nur dvdauthor-338/src/submux.c dvdauthor-338p1/src/submux.c
--- dvdauthor-338/src/submux.c	2003-03-30 01:15:10.000000000 +0100
+++ dvdauthor-338p1/src/submux.c	2003-08-29 08:24:56.000000000 +0200
@@ -1965,7 +1965,7 @@
         exit(1);
     }
 
-//#define MAKE_DVD_SUBTITLE_PACKET_EVEN
+#define MAKE_DVD_SUBTITLE_PACKET_EVEN
 #ifdef MAKE_DVD_SUBTITLE_PACKET_EVEN
 /* make size even if odd */
     if(subtitle_packet_size & 1)
@@ -1976,7 +1976,7 @@
         }
 
 	/* only if odd length, to make it even */
-	cptr++;
+	acptr++;
 	*acptr = 0xff;
 
 	subtitle_packet_size++;