1 files changed, 5 insertions, 3 deletions
diff --git a/ui/gtk.c b/ui/gtk.c
index 7a717ce8e5..1c59de2af4 100644
--- a/ui/gtk.c
+++ b/ui/gtk.c
@@ -171,14 +171,16 @@ struct GtkDisplayState {
     DisplayOptions *opts;
 };
 
-typedef struct VCChardev {
+struct VCChardev {
     Chardev parent;
     VirtualConsole *console;
     bool echo;
-} VCChardev;
+};
+typedef struct VCChardev VCChardev;
 
 #define TYPE_CHARDEV_VC "chardev-vc"
-#define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
+DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
+                         TYPE_CHARDEV_VC)
 
 bool gtk_use_gl_area;