diff --git a/sbin/tunefs/tunefs.c b/sbin/tunefs/tunefs.c
index a10b35daec2b..7987620bc59b 100644
--- a/sbin/tunefs/tunefs.c
+++ b/sbin/tunefs/tunefs.c
@@ -280,9 +280,9 @@ main(int argc, char *argv[])
 	if (ufs_disk_fillout(&disk, special) == -1)
 		goto err;
 	if (disk.d_name != special) {
-		special = disk.d_name;
-		if (statfs(special, &stfs) == 0 &&
-		    strcmp(special, stfs.f_mntonname) == 0)
+		if (statfs(special, &stfs) != 0)
+			warn("Can't stat %s", special);
+		if (strcmp(special, stfs.f_mntonname) == 0)
 			active = 1;
 	}
 
@@ -546,7 +546,7 @@ journal_balloc(void)
 			 * Try to minimize fragmentation by requiring a minimum
 			 * number of blocks present.
 			 */
-			if (cgp->cg_cs.cs_nbfree > blocks / 8)
+			if (cgp->cg_cs.cs_nbfree > 128 * 1024 * 1024)
 				break;
 			if (contig == 0 && cgp->cg_cs.cs_nbfree)
 				break;