diff --git a/sys/src/cmd/hjfs/cons.c b/sys/src/cmd/hjfs/cons.c
index 0c4e31a2f..1162446ed 100644
--- a/sys/src/cmd/hjfs/cons.c
+++ b/sys/src/cmd/hjfs/cons.c
@@ -198,7 +198,8 @@ cmddf(int, char **)
 				n++;
 		putbuf(b);
 	}
-	dprint("hjfs: free %ulld, used %ulld, total %ulld\n", n, sb->sb.size - n, sb->sb.size);
+	dprint("hjfs: (blocks) free %ulld, used %ulld, total %ulld\n", n, sb->sb.size - n, sb->sb.size);
+	dprint("hjfs: (MB) free %ulld, used %ulld, total %ulld\n", n * BLOCK / 1048576, (sb->sb.size - n) * BLOCK / 1048576, sb->sb.size * BLOCK / 1048576);
 	putbuf(sb);
 	wunlock(fsmain);
 	return 1;
diff --git a/sys/src/cmd/hjfs/fs1.c b/sys/src/cmd/hjfs/fs1.c
index e48e0aebb..7b8127731 100644
--- a/sys/src/cmd/hjfs/fs1.c
+++ b/sys/src/cmd/hjfs/fs1.c
@@ -229,6 +229,12 @@ ream(Fs *fs)
 			for(; j < je; j++)
 				c->refs[j] = 1;
 		}
+		if(i == b->sb.fend - 1){
+			j = b->sb.size % REFPERBLK;
+			if(j != 0)
+				for(; j < REFPERBLK; j++)
+					c->refs[j] = -1;
+		}
 		c->op |= BWRIM;
 		putbuf(c);
 	}