diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 61717a4eb14f..5239003d453e 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1404,6 +1404,8 @@ static int __init init_btrfs_fs(void)
 	if (err)
 		goto unregister_ioctl;
 
+	btrfs_init_lockdep();
+
 	printk(KERN_INFO "%s loaded\n", BTRFS_BUILD_VERSION);
 	return 0;