diff --git a/src/arch/cpu/armv8/common/exc/prt_exc_init.c b/src/arch/cpu/armv8/common/exc/prt_exc_init.c
index 48accd3c06ab54fa3554474fc5c082b15272163b..301fca604d5b4b88863007e44ae816352221172a 100644
--- a/src/arch/cpu/armv8/common/exc/prt_exc_init.c
+++ b/src/arch/cpu/armv8/common/exc/prt_exc_init.c
@@ -19,7 +19,7 @@
 #endif
 #include "prt_log.h"
 #include "prt_stacktrace.h"
-OS_SEC_BSS bool g_isOtherCoreExc[OS_VAR_ARRAY_NUM];
+OS_SEC_BSS bool g_isOtherCoreExc[OS_MAX_CORE_NUM];
 
 #if defined(OS_OPTION_SMP)
 OS_SEC_BSS uintptr_t g_uniFlagAddr[OS_MAX_CORE_NUM];