diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 707095b924d9869d1105dc459df009ef968e96b0..c5adbb318a90c8c612c97dab1a47c0143b19ef77 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1660,12 +1660,10 @@ static int ext4_group_extend_no_check(struct super_block *sb,
 		err = err2;
 
 	if (!err) {
-		ext4_fsblk_t first_block;
-		first_block = ext4_group_first_block_no(sb, 0);
 		if (test_opt(sb, DEBUG))
 			printk(KERN_DEBUG "EXT4-fs: extended group to %llu "
 			       "blocks\n", ext4_blocks_count(es));
-		update_backups(sb, EXT4_SB(sb)->s_sbh->b_blocknr - first_block,
+		update_backups(sb, EXT4_SB(sb)->s_sbh->b_blocknr,
 			       (char *)es, sizeof(struct ext4_super_block), 0);
 	}
 	return err;