diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 6d8350332b1db1858cd1bd3c92163a6bb70d6b32..96f2ec7ad5bd40557c8740fc48165968d719e78a 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -39,7 +39,7 @@ extern struct kmem_cache *btrfs_bit_radix_cachep;
 extern struct kmem_cache *btrfs_path_cachep;
 struct btrfs_ordered_sum;
 
-#define BTRFS_MAGIC "_BFRfS_M"
+#define BTRFS_MAGIC "_BHRfS_M"
 
 #define BTRFS_ACL_NOT_CACHED    ((void *)-1)