diff --git a/hw/misc/macio/pmu.c b/hw/misc/macio/pmu.c
index 4ad4f50e08..eb39c64694 100644
--- a/hw/misc/macio/pmu.c
+++ b/hw/misc/macio/pmu.c
@@ -718,6 +718,7 @@ static const VMStateDescription vmstate_pmu = {
     },
     .subsections = (const VMStateDescription * []) {
         &vmstate_pmu_adb,
+        NULL
     }
 };