1 files changed, 6 insertions, 3 deletions
diff --git a/include/chardev/char-win.h b/include/chardev/char-win.h
index fa59e9e423..485521469c 100644
--- a/include/chardev/char-win.h
+++ b/include/chardev/char-win.h
@@ -25,8 +25,9 @@
 #define CHAR_WIN_H
 
 #include "chardev/char.h"
+#include "qom/object.h"
 
-typedef struct {
+struct WinChardev {
     Chardev parent;
 
     bool keep_open; /* console do not close file */
@@ -36,13 +37,15 @@ typedef struct {
 
     /* Protected by the Chardev chr_write_lock.  */
     OVERLAPPED osend;
-} WinChardev;
+};
+typedef struct WinChardev WinChardev;
 
 #define NSENDBUF 2048
 #define NRECVBUF 2048
 
 #define TYPE_CHARDEV_WIN "chardev-win"
-#define WIN_CHARDEV(obj) OBJECT_CHECK(WinChardev, (obj), TYPE_CHARDEV_WIN)
+DECLARE_INSTANCE_CHECKER(WinChardev, WIN_CHARDEV,
+                         TYPE_CHARDEV_WIN)
 
 void win_chr_set_file(Chardev *chr, HANDLE file, bool keep_open);
 int win_chr_serial_init(Chardev *chr, const char *filename, Error **errp);