diff --git a/include/ntfs-3g/inode.h b/include/ntfs-3g/inode.h
index 53670779..26be3577 100644
--- a/include/ntfs-3g/inode.h
+++ b/include/ntfs-3g/inode.h
@@ -156,8 +156,8 @@ struct _ntfs_inode {
 				/* only if NI_v3_Extensions is set in state */
  	le32 owner_id;
 	le32 security_id;
-	le32 quota_charged;
-	le32 usn;
+	le64 quota_charged;
+	le64 usn;
 };
 
 typedef enum {
diff --git a/libntfs-3g/dir.c b/libntfs-3g/dir.c
index d12c5cc8..cb57e443 100644
--- a/libntfs-3g/dir.c
+++ b/libntfs-3g/dir.c
@@ -1210,8 +1210,8 @@ static ntfs_inode *__ntfs_create(ntfs_inode *dir_ni, le32 securid,
 		set_nino_flag(ni, v3_Extensions);
 		ni->owner_id = si->owner_id = 0;
 		ni->security_id = si->security_id = securid;
-		ni->quota_charged = si->quota_charged = 0;
-		ni->usn = si->usn = 0;
+		ni->quota_charged = si->quota_charged = const_cpu_to_le64(0);
+		ni->usn = si->usn = const_cpu_to_le64(0);
 	} else
 		clear_nino_flag(ni, v3_Extensions);
 	if (!S_ISREG(type) && !S_ISDIR(type)) {
diff --git a/libntfs-3g/security.c b/libntfs-3g/security.c
index c77c2399..5a0a52cc 100644
--- a/libntfs-3g/security.c
+++ b/libntfs-3g/security.c
@@ -1055,8 +1055,8 @@ static int update_secur_descr(ntfs_volume *vol,
 					res = ntfs_attr_truncate(na,
 					 (s64)sizeof(STANDARD_INFORMATION));
 					ni->owner_id = const_cpu_to_le32(0);
-					ni->quota_charged = const_cpu_to_le32(0);
-					ni->usn = const_cpu_to_le32(0);
+					ni->quota_charged = const_cpu_to_le64(0);
+					ni->usn = const_cpu_to_le64(0);
 					ntfs_attr_remove(ni,
 						AT_SECURITY_DESCRIPTOR,
 						AT_UNNAMED, 0);
@@ -1131,8 +1131,8 @@ static int upgrade_secur_desc(ntfs_volume *vol, const char *path,
 				res = ntfs_attr_truncate(na,
 					 (s64)sizeof(STANDARD_INFORMATION));
 				ni->owner_id = const_cpu_to_le32(0);
-				ni->quota_charged = const_cpu_to_le32(0);
-				ni->usn = const_cpu_to_le32(0);
+				ni->quota_charged = const_cpu_to_le64(0);
+				ni->usn = const_cpu_to_le64(0);
 				ntfs_attr_remove(ni, AT_SECURITY_DESCRIPTOR,
 						AT_UNNAMED, 0);
 				set_nino_flag(ni, v3_Extensions);