diff --git a/arch/arc/core/fault.c b/arch/arc/core/fault.c
index fde492ef98a..30918d5dc22 100644
--- a/arch/arc/core/fault.c
+++ b/arch/arc/core/fault.c
@@ -178,7 +178,7 @@ void _Fault(NANO_ESF *esf)
 #endif
 
 #ifdef CONFIG_MPU_STACK_GUARD
-	if (vector == 6 && ((parameter == 4) || (parameter == 24))) {
+	if (vector == 0x6 && ((parameter == 0x4) || (parameter == 0x24))) {
 		if (z_check_thread_stack_fail(exc_addr, arc_exc_saved_sp)) {
 			z_NanoFatalErrorHandler(_NANO_ERR_STACK_CHK_FAIL, esf);
 			return;