diff --git a/ext/hal/microchip/mec/mec1501/component/ecs.h b/ext/hal/microchip/mec/mec1501/component/ecs.h
index f4278660b5c..f7f3d6e100d 100644
--- a/ext/hal/microchip/mec/mec1501/component/ecs.h
+++ b/ext/hal/microchip/mec/mec1501/component/ecs.h
@@ -71,6 +71,8 @@
 #define MCHP_ECS_DCTRL_MODE_MASK0	0x03ul
 #define MCHP_ECS_DCTRL_MODE_MASK \
 	((MCHP_ECS_DCTRL_DBG_MODE_MASK0) << (MCHP_ECS_DCTRL_DBG_MODE_POS))
+
+#define MCHP_ECS_DCTRL_DBG_MODE_POS	1u
 #define MCHP_ECS_DCTRL_MODE_JTAG	(0x00 << (MCHP_ECS_DCTRL_DBG_MODE_POS))
 #define MCHP_ECS_DCTRL_MODE_SWD		(0x02 << (MCHP_ECS_DCTRL_DBG_MODE_POS))
 #define MCHP_ECS_DCTRL_MODE_SWD_SWV	(0x01 << (MCHP_ECS_DCTRL_DBG_MODE_POS))