diff --git a/sbin/newfs/newfs.h b/sbin/newfs/newfs.h
index 8c826b13e606..326c5181b1d1 100644
--- a/sbin/newfs/newfs.h
+++ b/sbin/newfs/newfs.h
@@ -47,8 +47,8 @@
  *	sectorsize <= DESFRAGSIZE <= DESBLKSIZE
  *	DESBLKSIZE / DESFRAGSIZE <= 8
  */
-#define	DFL_FRAGSIZE	2048
-#define	DFL_BLKSIZE	16384
+#define	DFL_FRAGSIZE	4096
+#define	DFL_BLKSIZE	32768
 
 /*
  * Cylinder groups may have up to MAXBLKSPERCG blocks. The actual