diff --git a/sys/fs/udf/udf.h b/sys/fs/udf/udf.h
index 0e2dec59f800..7a01be1d299c 100644
--- a/sys/fs/udf/udf.h
+++ b/sys/fs/udf/udf.h
@@ -1,4 +1,4 @@
-/* $NetBSD: udf.h,v 1.31 2009/06/18 14:56:09 reinoud Exp $ */
+/* $NetBSD: udf.h,v 1.32 2009/06/18 14:57:50 reinoud Exp $ */
 
 /*
  * Copyright (c) 2006, 2008 Reinoud Zandijk
@@ -48,30 +48,31 @@ extern int udf_verbose;
 #define UDF_COMPLETE_DELETE
 
 /* debug categories */
-#define UDF_DEBUG_VOLUMES	0x000001
-#define UDF_DEBUG_LOCKING	0x000002
-#define UDF_DEBUG_NODE		0x000004
-#define UDF_DEBUG_LOOKUP	0x000008
-#define UDF_DEBUG_READDIR	0x000010
-#define UDF_DEBUG_FIDS		0x000020
-#define UDF_DEBUG_DESCRIPTOR	0x000040
-#define UDF_DEBUG_TRANSLATE	0x000080
-#define UDF_DEBUG_STRATEGY	0x000100
-#define UDF_DEBUG_READ		0x000200
-#define UDF_DEBUG_WRITE		0x000400
-#define UDF_DEBUG_CALL		0x000800
-#define UDF_DEBUG_ATTR		0x001000
-#define UDF_DEBUG_EXTATTR	0x002000
-#define UDF_DEBUG_ALLOC		0x004000
-#define UDF_DEBUG_ADWLK		0x008000
-#define UDF_DEBUG_DIRHASH	0x010000
-#define UDF_DEBUG_NOTIMPL	0x020000
-#define UDF_DEBUG_SHEDULE	0x040000
-#define UDF_DEBUG_ECCLINE	0x080000
-#define UDF_DEBUG_SYNC		0x100000
-#define UDF_DEBUG_PARANOIA	0x200000
-#define UDF_DEBUG_PARANOIDADWLK	0x400000
-#define UDF_DEBUG_NODEDUMP	0x800000
+#define UDF_DEBUG_VOLUMES	0x0000001
+#define UDF_DEBUG_LOCKING	0x0000002
+#define UDF_DEBUG_NODE		0x0000004
+#define UDF_DEBUG_LOOKUP	0x0000008
+#define UDF_DEBUG_READDIR	0x0000010
+#define UDF_DEBUG_FIDS		0x0000020
+#define UDF_DEBUG_DESCRIPTOR	0x0000040
+#define UDF_DEBUG_TRANSLATE	0x0000080
+#define UDF_DEBUG_STRATEGY	0x0000100
+#define UDF_DEBUG_READ		0x0000200
+#define UDF_DEBUG_WRITE		0x0000400
+#define UDF_DEBUG_CALL		0x0000800
+#define UDF_DEBUG_ATTR		0x0001000
+#define UDF_DEBUG_EXTATTR	0x0002000
+#define UDF_DEBUG_ALLOC		0x0004000
+#define UDF_DEBUG_ADWLK		0x0008000
+#define UDF_DEBUG_DIRHASH	0x0010000
+#define UDF_DEBUG_NOTIMPL	0x0020000
+#define UDF_DEBUG_SHEDULE	0x0040000
+#define UDF_DEBUG_ECCLINE	0x0080000
+#define UDF_DEBUG_SYNC		0x0100000
+#define UDF_DEBUG_PARANOIA	0x0200000
+#define UDF_DEBUG_PARANOIDADWLK	0x0400000
+#define UDF_DEBUG_NODEDUMP	0x0800000
+#define UDF_DEBUG_RESERVE	0x1000000
 
 /* initial value of udf_verbose */
 #define UDF_DEBUGGING		0