diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index 66e16fba..0318416a 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2008.08.24.100552"
+#define Xorriso_timestamP "2008.08.24.124424"
diff --git a/libisoburn/trunk/xorriso/xorrisoburn.c b/libisoburn/trunk/xorriso/xorrisoburn.c
index 7be34b12..53f0d457 100644
--- a/libisoburn/trunk/xorriso/xorrisoburn.c
+++ b/libisoburn/trunk/xorriso/xorrisoburn.c
@@ -6930,7 +6930,7 @@ int Xorriso_check_interval(struct XorrisO *xorriso, struct SpotlisT *spotlist,
 
  ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
                                 "on attempt to check media readability",
-                                !!job->use_dev);
+                                2 * !!job->use_dev);
  if(ret<=0)
    goto ex;
  ret= burn_disc_get_profile(drive, &profile_no, profile_name);
@@ -7150,7 +7150,7 @@ int Xorriso_check_media(struct XorrisO *xorriso, struct SpotlisT **spotlist,
 
  ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
                                 "on attempt to check media readability",
-                                !!job->use_dev);
+                                2 * !!job->use_dev);
  if(ret<=0)
    goto ex;