diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index 1c47be1872406715183cd1da184f1fd11dabc3be..3281f7ebc0f7a47c0a2968f21ce50493243bf331 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -1038,7 +1038,7 @@ static int btrfsic_process_metablock(
 						     disk_item_offset,
 						     sizeof(struct btrfs_item));
 			item_offset = btrfs_stack_item_offset(&disk_item);
-			item_size = btrfs_stack_item_offset(&disk_item);
+			item_size = btrfs_stack_item_size(&disk_item);
 			disk_key = &disk_item.key;
 			type = btrfs_disk_key_type(disk_key);