diff --git a/libisoburn/trunk/xorriso/iso_img.c b/libisoburn/trunk/xorriso/iso_img.c
index 56c5563d..fb705869 100644
--- a/libisoburn/trunk/xorriso/iso_img.c
+++ b/libisoburn/trunk/xorriso/iso_img.c
@@ -977,7 +977,8 @@ int Xorriso_mount(struct XorrisO *xorriso, char *dev, int adr_mode,
      {ret= -1; goto ex;}
    if(ret == 0 && strncmp(dev, "stdio:", 6) != 0)
      sprintf(libburn_adr, "stdio:%s", dev);
-   burn_preset_device_open(xorriso->drives_exclusive, 0, 0);
+   burn_preset_device_open(
+           xorriso->drives_exclusive && !(xorriso->mount_opts_flag & 1), 0, 0);
    aquire_flag= 1;
    if((xorriso->toc_emulation_flag & 2) && adr_mode == 3)
      aquire_flag|= 16;