diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index 58dfac1..8f9abed 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -1582,7 +1582,7 @@
 	struct btrfs_device *device;
 
 	length = len;
-	ret = btrfs_map_block(&state->root->fs_info->mapping_tree, READ,
+	ret = btrfs_map_block(state->root->fs_info, READ,
 			      bytenr, &length, &multi, mirror_num);
 
 	device = multi->stripes[0].dev;