diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index f46cfe45d68629ff1a05406ef693cf73a6036381..54c84daec9b515f73f8f1178a1e4ea9485d20e3f 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -756,7 +756,7 @@ int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans,
 				found_next = 1;
 			if (ret != 0)
 				goto insert;
-			slot = 0;
+			slot = path->slots[0];
 		}
 		btrfs_item_key_to_cpu(path->nodes[0], &found_key, slot);
 		if (found_key.objectid != BTRFS_EXTENT_CSUM_OBJECTID ||