diff --git a/hw/input/ps2.c b/hw/input/ps2.c
index eae7df2096..97e9172ba5 100644
--- a/hw/input/ps2.c
+++ b/hw/input/ps2.c
@@ -1232,7 +1232,6 @@ void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg)
     trace_ps2_kbd_init(s);
     ps2->update_irq = update_irq;
     ps2->update_arg = update_arg;
-    vmstate_register(NULL, 0, &vmstate_ps2_keyboard, s);
 
     return s;
 }
@@ -1274,6 +1273,7 @@ static void ps2_kbd_class_init(ObjectClass *klass, void *data)
 
     dc->realize = ps2_kbd_realize;
     device_class_set_parent_reset(dc, ps2_kbd_reset, &ps2dc->parent_reset);
+    dc->vmsd = &vmstate_ps2_keyboard;
 }
 
 static const TypeInfo ps2_kbd_info = {