diff --git a/libisoburn/trunk/src/isofs_wrap.c b/libisoburn/trunk/src/isofs_wrap.c
index 51bb89f4..c3bc5573 100644
--- a/libisoburn/trunk/src/isofs_wrap.c
+++ b/libisoburn/trunk/src/isofs_wrap.c
@@ -161,7 +161,8 @@ int isoburn_activate_session(struct burn_drive *drive)
  if (o->fabricated_disc_status != BURN_DISC_APPENDABLE)
    return 1;
  
- ret = burn_random_access_write(drive, 0, (char*)o->target_iso_head, 64*2048, 0);
+ ret = burn_random_access_write(drive, 0, (char*)o->target_iso_head, 
+                                64*2048, 1);
 
  return ret;
 }