diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index 583ff00d..e044d5b5 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -2252,7 +2252,7 @@ func (fh *FileHandle) Bytes() []byte {
 	if n == 0 {
 		return nil
 	}
-	return (*[1 << 30]byte)(unsafe.Pointer(uintptr(unsafe.Pointer(&fh.fileHandle.Type)) + 4))[:n:n]
+	return unsafe.Slice((*byte)(unsafe.Pointer(uintptr(unsafe.Pointer(&fh.fileHandle.Type))+4)), n)
 }
 
 // NameToHandleAt wraps the name_to_handle_at system call; it obtains