diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index 18965d5cb518..3bdf1bdc855b 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -4398,6 +4398,7 @@ DB_SHOW_COMMAND(mount, db_show_mount)
 	MNT_KERN_FLAG(MNTK_UNMOUNTF);
 	MNT_KERN_FLAG(MNTK_ASYNC);
 	MNT_KERN_FLAG(MNTK_SOFTDEP);
+	MNT_KERN_FLAG(MNTK_NOMSYNC);
 	MNT_KERN_FLAG(MNTK_DRAINING);
 	MNT_KERN_FLAG(MNTK_REFEXPIRE);
 	MNT_KERN_FLAG(MNTK_EXTENDED_SHARED);
@@ -4407,6 +4408,7 @@ DB_SHOW_COMMAND(mount, db_show_mount)
 	MNT_KERN_FLAG(MNTK_UPPER_WAITER);
 	MNT_KERN_FLAG(MNTK_UNLOCKED_INSMNTQUE);
 	MNT_KERN_FLAG(MNTK_USES_BCACHE);
+	MNT_KERN_FLAG(MNTK_VMSETSIZE_BUG);
 	MNT_KERN_FLAG(MNTK_FPLOOKUP);
 	MNT_KERN_FLAG(MNTK_TASKQUEUE_WAITER);
 	MNT_KERN_FLAG(MNTK_NOASYNC);
@@ -4415,6 +4417,7 @@ DB_SHOW_COMMAND(mount, db_show_mount)
 	MNT_KERN_FLAG(MNTK_SUSPEND);
 	MNT_KERN_FLAG(MNTK_SUSPEND2);
 	MNT_KERN_FLAG(MNTK_SUSPENDED);
+	MNT_KERN_FLAG(MNTK_NULL_NOCACHE);
 	MNT_KERN_FLAG(MNTK_LOOKUP_SHARED);
 #undef MNT_KERN_FLAG
 	if (flags != 0) {