diff --git a/services/std_svc/psci/psci_private.h b/services/std_svc/psci/psci_private.h
index 924a24f..24a5604 100644
--- a/services/std_svc/psci/psci_private.h
+++ b/services/std_svc/psci/psci_private.h
@@ -60,7 +60,7 @@
 	int max;
 } aff_limits_node_t;
 
-typedef aff_map_node_t (*mpidr_aff_map_nodes_t[MPIDR_MAX_AFFLVL]);
+typedef aff_map_node_t (*mpidr_aff_map_nodes_t[MPIDR_MAX_AFFLVL + 1]);
 typedef unsigned int (*afflvl_power_on_finisher_t)(aff_map_node_t *);
 
 /*******************************************************************************