diff --git a/plat/mediatek/mt8192/plat_topology.c b/plat/mediatek/mt8192/plat_topology.c
index aa4975e..8c1231a 100644
--- a/plat/mediatek/mt8192/plat_topology.c
+++ b/plat/mediatek/mt8192/plat_topology.c
@@ -17,6 +17,8 @@
 	/* Number of root nodes */
 	PLATFORM_SYSTEM_COUNT,
 	/* Number of children for the root node */
+	PLATFORM_MCUSYS_COUNT,
+	/* Number of children for the mcusys node */
 	PLATFORM_CLUSTER_COUNT,
 	/* Number of children for the first cluster node */
 	PLATFORM_CLUSTER0_CORE_COUNT,