diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index cdbc4cdd01..5a9c02a256 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1317,6 +1317,11 @@ void arm_cpu_post_init(Object *obj)
                                        OBJ_PROP_FLAG_READWRITE);
     }
 
+    /* Not DEFINE_PROP_UINT32: we want this to be settable after realize */
+    object_property_add_uint32_ptr(obj, "psci-conduit",
+                                   &cpu->psci_conduit,
+                                   OBJ_PROP_FLAG_READWRITE);
+
     qdev_property_add_static(DEVICE(obj), &arm_cpu_cfgend_property);
 
     if (arm_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER)) {
@@ -1987,7 +1992,6 @@ static ObjectClass *arm_cpu_class_by_name(const char *cpu_model)
 }
 
 static Property arm_cpu_properties[] = {
-    DEFINE_PROP_UINT32("psci-conduit", ARMCPU, psci_conduit, 0),
     DEFINE_PROP_UINT64("midr", ARMCPU, midr, 0),
     DEFINE_PROP_UINT64("mp-affinity", ARMCPU,
                         mp_affinity, ARM64_AFFINITY_INVALID),