diff --git a/hw/cpu/a15mpcore.c b/hw/cpu/a15mpcore.c
index 773c83a..967b080 100644
--- a/hw/cpu/a15mpcore.c
+++ b/hw/cpu/a15mpcore.c
@@ -68,7 +68,8 @@
      *  0x5000-0x5fff -- GIC virtual interface control (not modelled)
      *  0x6000-0x7fff -- GIC virtual CPU interface (not modelled)
      */
-    memory_region_init(&s->container, NULL, "a15mp-priv-container", 0x8000);
+    memory_region_init(&s->container, OBJECT(s),
+                       "a15mp-priv-container", 0x8000);
     memory_region_add_subregion(&s->container, 0x1000,
                                 sysbus_mmio_get_region(busdev, 0));
     memory_region_add_subregion(&s->container, 0x2000,