diff --git a/unix/ztypes_freebsd_arm.go b/unix/ztypes_freebsd_arm.go
index 6f79227..9433f0b 100644
--- a/unix/ztypes_freebsd_arm.go
+++ b/unix/ztypes_freebsd_arm.go
@@ -125,9 +125,9 @@
 	Owner       uint32
 	Fsid        Fsid
 	Charspare   [80]int8
-	Fstypename  [16]int8
-	Mntfromname [1024]int8
-	Mntonname   [1024]int8
+	Fstypename  [16]byte
+	Mntfromname [1024]byte
+	Mntonname   [1024]byte
 }
 
 type statfs_freebsd11_t struct {