diff --git a/tasmota/tasmota.h b/tasmota/tasmota.h
index f270e5cef..c9d58fd05 100644
--- a/tasmota/tasmota.h
+++ b/tasmota/tasmota.h
@@ -234,7 +234,7 @@ const uint32_t LOOP_SLEEP_DELAY = 50;       // Lowest number of milliseconds to
 #define KNX_ENERGY_POWER       21
 #define KNX_ENERGY_POWERFACTOR 22
 #define KNX_ENERGY_DAILY       23
-#define KNX_ENERGY_START       24
+#define KNX_ENERGY_YESTERDAY   24
 #define KNX_ENERGY_TOTAL       25
 #define KNX_SLOT1              26
 #define KNX_SLOT2              27