diff --git a/src/isofs_wrap.c b/src/isofs_wrap.c
index 54c0e746..51bb89f4 100644
--- a/src/isofs_wrap.c
+++ b/src/isofs_wrap.c
@@ -158,6 +158,9 @@ int isoburn_activate_session(struct burn_drive *drive)
  if (o->emulation_mode != 1)
    return 1; /* don't need to activate session */
  
+ 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);
 
  return ret;