diff --git a/unix/zsyscall_linux_ppc64.go b/unix/zsyscall_linux_ppc64.go
index 971b72b5..1cb8eb4e 100644
--- a/unix/zsyscall_linux_ppc64.go
+++ b/unix/zsyscall_linux_ppc64.go
@@ -979,7 +979,7 @@ func Lsetxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func MemfdCreate(name string, flags uint) (fd int, err error) {
+func MemfdCreate(name string, flags int) (fd int, err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(name)
 	if err != nil {
diff --git a/unix/zsyscall_linux_ppc64le.go b/unix/zsyscall_linux_ppc64le.go
index 52f3faaf..5f0cb9d8 100644
--- a/unix/zsyscall_linux_ppc64le.go
+++ b/unix/zsyscall_linux_ppc64le.go
@@ -979,7 +979,7 @@ func Lsetxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func MemfdCreate(name string, flags uint) (fd int, err error) {
+func MemfdCreate(name string, flags int) (fd int, err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(name)
 	if err != nil {
diff --git a/unix/zsyscall_linux_riscv64.go b/unix/zsyscall_linux_riscv64.go
index b030fc8b..6977f045 100644
--- a/unix/zsyscall_linux_riscv64.go
+++ b/unix/zsyscall_linux_riscv64.go
@@ -979,7 +979,7 @@ func Lsetxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func MemfdCreate(name string, flags uint) (fd int, err error) {
+func MemfdCreate(name string, flags int) (fd int, err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(name)
 	if err != nil {
diff --git a/unix/zsyscall_linux_s390x.go b/unix/zsyscall_linux_s390x.go
index 4d7f1e92..2bfd3d0c 100644
--- a/unix/zsyscall_linux_s390x.go
+++ b/unix/zsyscall_linux_s390x.go
@@ -979,7 +979,7 @@ func Lsetxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func MemfdCreate(name string, flags uint) (fd int, err error) {
+func MemfdCreate(name string, flags int) (fd int, err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(name)
 	if err != nil {