diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 6adcd8a2c5c7c..6c47f6ed3e94b 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4182,6 +4182,7 @@ static noinline int copy_items(struct btrfs_trans_handle *trans,
 							       *last_extent, 0,
 							       0, len, 0, len,
 							       0, 0, 0);
+				*last_extent += len;
 			}
 		}
 	}