diff --git a/include/ntfs-3g/logfile.h b/include/ntfs-3g/logfile.h
index 6b2305b7..8ce7307b 100644
--- a/include/ntfs-3g/logfile.h
+++ b/include/ntfs-3g/logfile.h
@@ -93,7 +93,8 @@ typedef struct {
 				   version is 1. */
 /* 28*/	sle16 major_ver;	/* Log file major version.  We only support
 				   version 1.1. */
-/* sizeof() = 30 (0x1e) bytes */
+/* 30*/	le16 usn;
+/* sizeof() = 32 (0x20) bytes */
 } __attribute__((__packed__)) RESTART_PAGE_HEADER;
 
 /*
diff --git a/libntfs-3g/logfile.c b/libntfs-3g/logfile.c
index dfe5b7d4..adc0557f 100644
--- a/libntfs-3g/logfile.c
+++ b/libntfs-3g/logfile.c
@@ -119,7 +119,7 @@ static BOOL ntfs_check_restart_page_header(RESTART_PAGE_HEADER *rp, s64 pos)
 	/* Verify the position of the update sequence array. */
 	usa_ofs = le16_to_cpu(rp->usa_ofs);
 	usa_end = usa_ofs + usa_count * sizeof(u16);
-	if (usa_ofs < sizeof(RESTART_PAGE_HEADER) ||
+	if (usa_ofs < offsetof(RESTART_PAGE_HEADER, usn) ||
 			usa_end > NTFS_BLOCK_SIZE - sizeof(u16)) {
 		ntfs_log_error("$LogFile restart page specifies "
 				"inconsistent update sequence array offset.\n");
@@ -134,7 +134,7 @@ skip_usa_checks:
 	 */
 	ra_ofs = le16_to_cpu(rp->restart_area_offset);
 	if (ra_ofs & 7 || (have_usa ? ra_ofs < usa_end :
-			ra_ofs < sizeof(RESTART_PAGE_HEADER)) ||
+			ra_ofs < offsetof(RESTART_PAGE_HEADER, usn)) ||
 			ra_ofs > logfile_system_page_size) {
 		ntfs_log_error("$LogFile restart page specifies "
 				"inconsistent restart area offset.\n");
diff --git a/ntfsprogs/ntfsdump_logfile.c b/ntfsprogs/ntfsdump_logfile.c
index f300a5fc..074f87ef 100644
--- a/ntfsprogs/ntfsdump_logfile.c
+++ b/ntfsprogs/ntfsdump_logfile.c
@@ -319,7 +319,7 @@ static void restart_header_sanity(RESTART_PAGE_HEADER *rstr, u8 *buf)
 		log_err_exit(buf, "Restart page header in $LogFile is "
 				"corrupt:  Update sequence array size is "
 				"wrong.  Cannot handle this yet.\n");
-	if (le16_to_cpu(rstr->usa_ofs) < sizeof(RESTART_PAGE_HEADER))
+	if (le16_to_cpu(rstr->usa_ofs) < offsetof(RESTART_PAGE_HEADER, usn))
 		log_err_exit(buf, "Restart page header in $LogFile is "
 				"corrupt:  Update sequence array overlaps "
 				"restart page header.  Cannot handle this "