--- cdda2wav/interface.c	Mon Dec 29 11:28:09 2003
+++ cdda2wav/interface.c	Sun Jan 18 01:35:50 2004
@@ -444,7 +444,15 @@
     default:			/* for example ATAPI cds */
 #else
 #if defined (__FreeBSD__)
-    case 117:
+#if __FreeBSD_version >= 501113
+    case 4:	/* GEOM */
+	if (memcmp(pdev_name, "/dev/acd", sizeof("/dev/acd") - 1) != 0) {
+	    fprintf(stderr, "%s is not an ATAPI CDROM device\n", pdev_name);
+	    exit(SYNTAX_ERROR);
+	}
+	/* FALLTHROUGH */
+#endif
+    case 117:	/* pre-GEOM atapi cd */
 	if (!S_ISCHR(statstruct->st_mode)) {
 	    fprintf(stderr, "%s is not a char device\n",pdev_name);
 	    exit(SYNTAX_ERROR);