diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index cf756504d..3f1d3d4cb 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -2592,4 +2592,4 @@ func SchedGetAttr(pid int, flags uint) (*SchedAttr, error) {
 }
 
 //sys	Cachestat(fd uint, crange *CachestatRange, cstat *Cachestat_t, flags uint) (err error)
-//sys	Mseal(addr uintptr, len int, flags uint) (err error)
+//sys	Mseal(b []byte, flags uint) (err error)
diff --git a/unix/zsyscall_linux.go b/unix/zsyscall_linux.go
index 3f03a6d66..1bc1a5adb 100644
--- a/unix/zsyscall_linux.go
+++ b/unix/zsyscall_linux.go
@@ -2232,8 +2232,14 @@ func Cachestat(fd uint, crange *CachestatRange, cstat *Cachestat_t, flags uint)
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Mseal(addr uintptr, len int, flags uint) (err error) {
-	_, _, e1 := Syscall(SYS_MSEAL, uintptr(addr), uintptr(len), uintptr(flags))
+func Mseal(b []byte, flags uint) (err error) {
+	var _p0 unsafe.Pointer
+	if len(b) > 0 {
+		_p0 = unsafe.Pointer(&b[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	_, _, e1 := Syscall(SYS_MSEAL, uintptr(_p0), uintptr(len(b)), uintptr(flags))
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}