diff --git a/mt7603_mcu.h b/mt7603_mcu.h
index ffcb0490..21b5ae1a 100644
--- a/mt7603_mcu.h
+++ b/mt7603_mcu.h
@@ -105,13 +105,13 @@ enum {
 };
 
 enum {
-	MCU_EVENT_CMD_RESULT = 0x0,
-	MCU_EVENT_RF_REG_ACCESS = 0x2,
-	MCU_EVENT_MULTI_CR_ACCESS = 0x0E,
-	MCU_EVENT_FW_LOG_2_HOST = 0x13,
-	MCU_EVENT_BEACON_LOSS = 0x1A,
-	MCU_EVENT_THERMAL_PROTECT = 0x22,
-	MCU_EVENT_BCN_UPDATE = 0x31,
+	MCU_EXT_EVENT_CMD_RESULT = 0x0,
+	MCU_EXT_EVENT_RF_REG_ACCESS = 0x2,
+	MCU_EXT_EVENT_MULTI_CR_ACCESS = 0x0E,
+	MCU_EXT_EVENT_FW_LOG_2_HOST = 0x13,
+	MCU_EXT_EVENT_BEACON_LOSS = 0x1A,
+	MCU_EXT_EVENT_THERMAL_PROTECT = 0x22,
+	MCU_EXT_EVENT_BCN_UPDATE = 0x31,
 };
 
 #endif