diff --git a/cores/arduino/wiring_LL.h b/cores/arduino/wiring_LL.h
index 493073f..6e8a399 100644
--- a/cores/arduino/wiring_LL.h
+++ b/cores/arduino/wiring_LL.h
@@ -32,6 +32,7 @@
 #define TIM16_DISABLE_INT_BY_MASK(htim16,intMask) (htim16.Instance->IER &= ~(intMask))
 
 // ----------------- EPIC ----------------- //
+#define EPIC_LEVEL_SET_BY_MASK(mask)              (EPIC->MASK_LEVEL_SET |= mask)
 #define EPIC_LEVEL_CLEAR_BY_MASK(mask)            (EPIC->MASK_LEVEL_CLEAR |= mask)
 #define EPIC_CLEAR_ALL()                          (EPIC->CLEAR = 0xFFFFFFFF)