diff --git a/fs/hfsplus/hfsplus_raw.h b/fs/hfsplus/hfsplus_raw.h
index 5a12682..8298d09 100644
--- a/fs/hfsplus/hfsplus_raw.h
+++ b/fs/hfsplus/hfsplus_raw.h
@@ -144,6 +144,7 @@
 #define HFSPLUS_VOL_NODEID_REUSED	(1 << 12)
 #define HFSPLUS_VOL_JOURNALED		(1 << 13)
 #define HFSPLUS_VOL_SOFTLOCK		(1 << 15)
+#define HFSPLUS_VOL_UNUSED_NODE_FIX	(1 << 31)
 
 /* HFS+ BTree node descriptor */
 struct hfs_bnode_desc {