diff --git a/cdrskin/cdrskin_timestamp.h b/cdrskin/cdrskin_timestamp.h
index 61cd620..56ec551 100644
--- a/cdrskin/cdrskin_timestamp.h
+++ b/cdrskin/cdrskin_timestamp.h
@@ -1 +1 @@
-#define Cdrskin_timestamP "2007.02.22.094939"
+#define Cdrskin_timestamP "2007.02.22.113016"
diff --git a/libburn/drive.c b/libburn/drive.c
index 8ef0cae..9c7619e 100644
--- a/libburn/drive.c
+++ b/libburn/drive.c
@@ -1445,12 +1445,18 @@ off_t burn_disc_available_space(struct burn_drive *d,
 	int lba, nwa;
 
 	if (burn_drive_is_released(d))
-		return d->media_capacity_remaining;
+		goto ex;
 	if (d->busy != BURN_DRIVE_IDLE)
-		return d->media_capacity_remaining;
+		goto ex;
 	if (o != NULL)
 		d->send_write_parameters(d, o);
 	d->get_nwa(d, -1, &lba, &nwa);
+ex:;
+	if (o->start_byte > 0) {
+		if (o->start_byte > d->media_capacity_remaining)
+			return 0;
+		return d->media_capacity_remaining - o->start_byte;
+	}
 	return d->media_capacity_remaining;
 }
 
diff --git a/libburn/libburn.h b/libburn/libburn.h
index 06cdf45..8e273a0 100644
--- a/libburn/libburn.h
+++ b/libburn/libburn.h
@@ -847,6 +847,9 @@ int burn_disc_get_msc1(struct burn_drive *d, int *start_lba);
     inquiring the space with such a set of options, the drive has to be
     grabbed and BURN_DRIVE_IDLE. If not, then one will only get a canned value
     from the most recent automatic inquiry (e.g. during last drive grabbing).
+    An eventual start address from burn_write_opts_set_start_byte() will be
+    subtracted from the obtained capacity estimation. Negative results get
+    defaulted to 0.
     @param d The drive to query.
     @param o If not NULL: write parameters to be set on drive before query
     @return number of most probably available free bytes