1 files changed, 5 insertions, 2 deletions
diff --git a/qmp.c b/qmp.c
index f556a04d19..87a28f797d 100644
--- a/qmp.c
+++ b/qmp.c
@@ -114,8 +114,11 @@ void qmp_cpu(int64_t index, Error **errp)
 
 void qmp_cpu_add(int64_t id, Error **errp)
 {
-    if (current_machine->hot_add_cpu) {
-        current_machine->hot_add_cpu(id, errp);
+    MachineClass *mc;
+
+    mc = MACHINE_GET_CLASS(current_machine);
+    if (mc->qemu_machine->hot_add_cpu) {
+        mc->qemu_machine->hot_add_cpu(id, errp);
     } else {
         error_setg(errp, "Not supported");
     }