diff --git a/tools/esp8266/hmDefines.h b/tools/esp8266/hmDefines.h
index 08e0996b..9aae0905 100644
--- a/tools/esp8266/hmDefines.h
+++ b/tools/esp8266/hmDefines.h
@@ -23,7 +23,7 @@ const char* const units[] = {"V", "A", "W", "Wh", "kWh", "Hz", "°C", "%", "var"
 // field types
 enum {FLD_UDC = 0, FLD_IDC, FLD_PDC, FLD_YD, FLD_YW, FLD_YT,
         FLD_UAC, FLD_IAC, FLD_PAC, FLD_F, FLD_T, FLD_PF, FLD_EFF,
-        FLD_IRR, FLD_Q,FLD_ALARM_MES_CNT,FLD_FW_VERSION,FLD_FW_BUILD_YEAR,
+        FLD_IRR, FLD_Q,FLD_ALARM_MES_ID,FLD_FW_VERSION,FLD_FW_BUILD_YEAR,
         FLD_FW_BUILD_MONTH_DAY,FLD_HW_ID,FLD_ACT_PWR_LIMIT,FLD_LAST_ALARM_CODE};
         
 const char* const fields[] = {"U_DC", "I_DC", "P_DC", "YieldDay", "YieldWeek", "YieldTotal",
@@ -126,7 +126,7 @@ const byteAssign_t hm1chAssignment[] = {
     { FLD_F,   UNIT_HZ,  CH0, 16, 2, 100  },
     { FLD_PF,  UNIT_NONE,CH0, 24, 2, 1000 },
     { FLD_T,   UNIT_C,   CH0, 26, 2, 10   },
-    { FLD_ALARM_MES_CNT,   UNIT_NONE,   CH0, 28, 2, 1 },
+    { FLD_ALARM_MES_ID,   UNIT_NONE,   CH0, 28, 2, 1 },
     { FLD_YD,  UNIT_WH,  CH0, CALC_YD_CH0,  0, CMD_CALC },
     { FLD_YT,  UNIT_KWH, CH0, CALC_YT_CH0,  0, CMD_CALC },
     { FLD_PDC, UNIT_W,   CH0, CALC_PDC_CH0, 0, CMD_CALC },
@@ -160,7 +160,7 @@ const byteAssign_t hm2chAssignment[] = {
     { FLD_F,   UNIT_HZ,  CH0, 28, 2, 100  },
     { FLD_PF,  UNIT_NONE,CH0, 36, 2, 1000 },
     { FLD_T,   UNIT_C,   CH0, 38, 2, 10   },
-    { FLD_ALARM_MES_CNT,   UNIT_NONE,   CH0, 40, 2, 1   },
+    { FLD_ALARM_MES_ID,   UNIT_NONE,   CH0, 40, 2, 1   },
     { FLD_YD,  UNIT_WH,  CH0, CALC_YD_CH0,  0, CMD_CALC },
     { FLD_YT,  UNIT_KWH, CH0, CALC_YT_CH0,  0, CMD_CALC },
     { FLD_PDC, UNIT_W,   CH0, CALC_PDC_CH0, 0, CMD_CALC },
@@ -208,7 +208,7 @@ const byteAssign_t hm4chAssignment[] = {
     { FLD_F,   UNIT_HZ,  CH0, 48, 2, 100  },
     { FLD_PF,  UNIT_NONE, CH0, 56, 2, 1000 },
     { FLD_T,   UNIT_C,   CH0, 58, 2, 10   },
-    { FLD_ALARM_MES_CNT,  UNIT_NONE,   CH0, 60, 2, 1   },
+    { FLD_ALARM_MES_ID,  UNIT_NONE,   CH0, 60, 2, 1   },
     { FLD_YD,  UNIT_WH,  CH0, CALC_YD_CH0,  0, CMD_CALC },
     { FLD_YT,  UNIT_KWH, CH0, CALC_YT_CH0,  0, CMD_CALC },
     { FLD_PDC, UNIT_W,   CH0, CALC_PDC_CH0, 0, CMD_CALC },
diff --git a/tools/esp8266/hmInverter.h b/tools/esp8266/hmInverter.h
index 8d26838e..08b13c80 100644
--- a/tools/esp8266/hmInverter.h
+++ b/tools/esp8266/hmInverter.h
@@ -253,7 +253,7 @@ class Inverter {
                     DPRINTLN(DBG_VERBOSE, "add real time");
 
                     // get last alarm message index and save it in the inverter object
-                    if (getPosByChFld(0, FLD_ALARM_MES_CNT, rec) == pos){
+                    if (getPosByChFld(0, FLD_ALARM_MES_ID, rec) == pos){
                         if (alarmMesIndex < rec->record[pos]){
                             alarmMesIndex = rec->record[pos];
                             //enqueCommand<InfoCommand>(AlarmUpdate); // What is the function of AlarmUpdate?