diff --git a/arch/arc/include/v2/irq.h b/arch/arc/include/v2/irq.h
index e000bae0278..7879c3fee45 100644
--- a/arch/arc/include/v2/irq.h
+++ b/arch/arc/include/v2/irq.h
@@ -35,8 +35,8 @@ extern "C" {
 #define _ARC_V2_AUX_IRQ_CTRL_16_REGS 8
 #define _ARC_V2_AUX_IRQ_CTRL_32_REGS 16
 
-#define _ARC_V2_DEF_IRQ_LEVEL 15
-#define _ARC_V2_WAKE_IRQ_LEVEL 15
+#define _ARC_V2_DEF_IRQ_LEVEL (CONFIG_NUM_IRQ_PRIO_LEVELS-1)
+#define _ARC_V2_WAKE_IRQ_LEVEL _ARC_V2_DEF_IRQ_LEVEL
 
 #ifndef _ASMLANGUAGE