diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index 35a77c6e..b22c14ce 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2008.10.26.134421"
+#define Xorriso_timestamP "2008.10.26.142422"
diff --git a/libisoburn/trunk/xorriso/xorrisoburn.c b/libisoburn/trunk/xorriso/xorrisoburn.c
index 352aa718..0fd36894 100644
--- a/libisoburn/trunk/xorriso/xorrisoburn.c
+++ b/libisoburn/trunk/xorriso/xorrisoburn.c
@@ -1182,6 +1182,22 @@ int Xorriso_write_session(struct XorrisO *xorriso, int flag)
        sprintf(xorriso->info_text, "Patching alleged isolinux boot image");
        Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
 
+       ret= Xorriso_path_from_node(xorriso, NULL, xorriso->loaded_boot_bin_lba,
+                                   sfe, 1);
+       if(ret < 0)
+         goto ex;
+       if(ret == 0) {
+         sprintf(xorriso->info_text,
+                 "Cannot patch boot image: no file found for its LBA.");
+         Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
+         sprintf(xorriso->info_text,
+           "Probably the loaded boot image file was deleted in this session.");
+         Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
+         sprintf(xorriso->info_text,
+           "Use -boot_image \"any\" \"discard\" or set new boot image");
+         Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "HINT", 0);
+         goto ex;
+       }
     
 #ifdef Xorriso_with_make_isohybrid_mbR