diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c
index e0cc0aac5d..3cb10c743c 100644
--- a/hw/misc/macio/cuda.c
+++ b/hw/misc/macio/cuda.c
@@ -33,6 +33,7 @@
 #include "hw/misc/macio/cuda.h"
 #include "qemu/timer.h"
 #include "sysemu/runstate.h"
+#include "qapi/error.h"
 #include "qemu/cutils.h"
 #include "qemu/log.h"
 #include "qemu/module.h"
@@ -522,16 +523,20 @@ static void cuda_reset(DeviceState *dev)
 static void cuda_realize(DeviceState *dev, Error **errp)
 {
     CUDAState *s = CUDA(dev);
+    Error *err = NULL;
     SysBusDevice *sbd;
-    MOS6522State *ms;
-    DeviceState *d;
     struct tm tm;
 
+    object_property_set_bool(OBJECT(&s->mos6522_cuda), true, "realized",
+                             &err);
+    if (err) {
+        error_propagate(errp, err);
+        return;
+    }
+
     /* Pass IRQ from 6522 */
-    d = DEVICE(&s->mos6522_cuda);
-    ms = MOS6522(d);
     sbd = SYS_BUS_DEVICE(s);
-    sysbus_pass_irq(sbd, SYS_BUS_DEVICE(ms));
+    sysbus_pass_irq(sbd, SYS_BUS_DEVICE(&s->mos6522_cuda));
 
     qemu_get_timedate(&tm, 0);
     s->tick_offset = (uint32_t)mktimegm(&tm) + RTC_OFFSET;
diff --git a/hw/misc/macio/pmu.c b/hw/misc/macio/pmu.c
index 9a9cd427e1..0895b78b59 100644
--- a/hw/misc/macio/pmu.c
+++ b/hw/misc/macio/pmu.c
@@ -40,6 +40,7 @@
 #include "hw/misc/macio/pmu.h"
 #include "qemu/timer.h"
 #include "sysemu/runstate.h"
+#include "qapi/error.h"
 #include "qemu/cutils.h"
 #include "qemu/log.h"
 #include "qemu/module.h"
@@ -739,16 +740,20 @@ static void pmu_reset(DeviceState *dev)
 static void pmu_realize(DeviceState *dev, Error **errp)
 {
     PMUState *s = VIA_PMU(dev);
+    Error *err = NULL;
     SysBusDevice *sbd;
-    MOS6522State *ms;
-    DeviceState *d;
     struct tm tm;
 
+    object_property_set_bool(OBJECT(&s->mos6522_pmu), true, "realized",
+                             &err);
+    if (err) {
+        error_propagate(errp, err);
+        return;
+    }
+
     /* Pass IRQ from 6522 */
-    d = DEVICE(&s->mos6522_pmu);
-    ms = MOS6522(d);
     sbd = SYS_BUS_DEVICE(s);
-    sysbus_pass_irq(sbd, SYS_BUS_DEVICE(ms));
+    sysbus_pass_irq(sbd, SYS_BUS_DEVICE(&s->mos6522_pmu));
 
     qemu_get_timedate(&tm, 0);
     s->tick_offset = (uint32_t)mktimegm(&tm) + RTC_OFFSET;