diff --git a/unix/zerrors_zos_s390x.go b/unix/zerrors_zos_s390x.go
index da08b2ab3d..1ec2b1407b 100644
--- a/unix/zerrors_zos_s390x.go
+++ b/unix/zerrors_zos_s390x.go
@@ -581,6 +581,8 @@ const (
 	AT_EMPTY_PATH                   = 0x1000
 	AT_REMOVEDIR                    = 0x200
 	RENAME_NOREPLACE                = 1 << 0
+	ST_RDONLY                       = 1
+	ST_NOSUID                       = 2
 )
 
 const (