diff --git a/libraries/AP_Common/AP_Common.h b/libraries/AP_Common/AP_Common.h
index ca07a1470e..9b235d9101 100644
--- a/libraries/AP_Common/AP_Common.h
+++ b/libraries/AP_Common/AP_Common.h
@@ -240,11 +240,11 @@ struct Location {
 #define AP_PRODUCT_ID_APM1_1280 	0x01 	// APM1 with 1280 CPUs
 #define AP_PRODUCT_ID_APM1_2560 	0x02 	// APM1 with 2560 CPUs
 #define AP_PRODUCT_ID_SITL		 	0x03 	// Software in the loop
-#define AP_PRODUCT_ID_APM2_REVC4 	0x14 	// APM2 with MPU6000ES_REV_C4
-#define AP_PRODUCT_ID_APM2_REV_C5	0x15 	// APM2 with MPU6000ES_REV_C5
-#define AP_PRODUCT_ID_APM2_REV_D6	0x16	// APM2 with MPU6000ES_REV_D6
-#define AP_PRODUCT_ID_APM2_REV_D7	0x17	// APM2 with MPU6000ES_REV_D7
-#define AP_PRODUCT_ID_APM2_REV_D8	0x18	// APM2 with MPU6000ES_REV_D8	
+#define AP_PRODUCT_ID_APM2ES_REV_C4 0x14 	// APM2 with MPU6000ES_REV_C4
+#define AP_PRODUCT_ID_APM2ES_REV_C5	0x15 	// APM2 with MPU6000ES_REV_C5
+#define AP_PRODUCT_ID_APM2ES_REV_D6	0x16	// APM2 with MPU6000ES_REV_D6
+#define AP_PRODUCT_ID_APM2ES_REV_D7	0x17	// APM2 with MPU6000ES_REV_D7
+#define AP_PRODUCT_ID_APM2ES_REV_D8	0x18	// APM2 with MPU6000ES_REV_D8	
 #define AP_PRODUCT_ID_APM2_REV_C4	0x54	// APM2 with MPU6000_REV_C4 	
 #define AP_PRODUCT_ID_APM2_REV_C5	0x55	// APM2 with MPU6000_REV_C5 	
 #define AP_PRODUCT_ID_APM2_REV_D6	0x56	// APM2 with MPU6000_REV_D6