diff --git a/plat/mediatek/mt8183/include/platform_def.h b/plat/mediatek/mt8183/include/platform_def.h
index ad81a33..49a0f80 100644
--- a/plat/mediatek/mt8183/include/platform_def.h
+++ b/plat/mediatek/mt8183/include/platform_def.h
@@ -268,13 +268,13 @@
 #define PLAT_MAX_OFF_STATE		U(2)
 
 #define PLATFORM_CACHE_LINE_SIZE        64
-#define PLATFORM_SYSTEM_COUNT           1
-#define PLATFORM_CLUSTER_COUNT          2
-#define PLATFORM_CLUSTER0_CORE_COUNT    4
-#define PLATFORM_CLUSTER1_CORE_COUNT    4
+#define PLATFORM_SYSTEM_COUNT           U(1)
+#define PLATFORM_CLUSTER_COUNT          U(2)
+#define PLATFORM_CLUSTER0_CORE_COUNT    U(4)
+#define PLATFORM_CLUSTER1_CORE_COUNT    U(4)
 #define PLATFORM_CORE_COUNT             (PLATFORM_CLUSTER1_CORE_COUNT + \
 					 PLATFORM_CLUSTER0_CORE_COUNT)
-#define PLATFORM_MAX_CPUS_PER_CLUSTER   4
+#define PLATFORM_MAX_CPUS_PER_CLUSTER   U(4)
 #define PLATFORM_NUM_AFFS               (PLATFORM_SYSTEM_COUNT + \
 					 PLATFORM_CLUSTER_COUNT + \
 					 PLATFORM_CORE_COUNT)