diff -ur tmp/dvdrtools-0.1.4/cdrecord/cdrecord.c dvdrtools-0.1.4/cdrecord/cdrecord.c
--- tmp/dvdrtools-0.1.4/cdrecord/cdrecord.c	2003-01-28 02:28:47.000000000 +0000
+++ dvdrtools-0.1.4/cdrecord/cdrecord.c	2003-05-05 20:40:17.000000000 +0100
@@ -1917,7 +1917,7 @@
 				goto toolarge;
 			}
 		}
-	} else {
+	} else if (!(flags & F_IGNSIZE)) {
 		/*
 		 * dsp->ds_maxblocks == 0 (disk capacity is unknown).
 		 */
@@ -1953,7 +1953,7 @@
 			return (FALSE);
 		}
 	}
-	if (dsp->ds_maxblocks < 449850) {
+	if (dsp->ds_maxblocks < 449850 && !((dsp -> ds_flags & DSF_DVD) == 0)) {
 		/*
 		 * Assume that this must be a CD and not a DVD.
 		 */