diff --git a/src/CHANGES.md b/src/CHANGES.md
index 1c06a1e8..6975fbf1 100644
--- a/src/CHANGES.md
+++ b/src/CHANGES.md
@@ -1,5 +1,8 @@
 # Development Changes
 
+## 0.8.143 - 2024-08-29
+* fixed crash #1743
+
 ## 0.8.142 - 2024-08-28
 * merge PR: add read_temp_c to system + mqtt #1739
 * improved sending limits of multiple inverters in very short timeframe #1726
diff --git a/src/defines.h b/src/defines.h
index 2a0646be..2f32e49e 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -13,7 +13,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       8
-#define VERSION_PATCH       142
+#define VERSION_PATCH       143
 //-------------------------------------
 typedef struct {
     uint8_t ch;
diff --git a/src/publisher/pubMqtt.h b/src/publisher/pubMqtt.h
index 04494d7d..49b209f5 100644
--- a/src/publisher/pubMqtt.h
+++ b/src/publisher/pubMqtt.h
@@ -159,8 +159,9 @@ class PubMqtt {
             publish(subtopics[MQTT_RSSI], String(WiFi.RSSI()).c_str());
             publish(subtopics[MQTT_FREE_HEAP], String(ESP.getFreeHeap()).c_str());
             #if defined(ESP32)
-            publish(subtopics[MQTT_TEMP_SENS_C], String(ah::readTemperature()).c_str());
-            #else ESP32
+            snprintf(mVal.data(), mVal.size(), "%.2f", ah::readTemperature());
+            publish(subtopics[MQTT_TEMP_SENS_C], mVal.data());
+            #else
             publish(subtopics[MQTT_HEAP_FRAG], String(ESP.getHeapFragmentation()).c_str());
             #endif
         }
diff --git a/src/publisher/pubMqttDefs.h b/src/publisher/pubMqttDefs.h
index 22239a0d..691bb098 100644
--- a/src/publisher/pubMqttDefs.h
+++ b/src/publisher/pubMqttDefs.h
@@ -77,7 +77,8 @@ const char* const subtopics[] PROGMEM = {
     "status",
     "connected",
     "not_connected",
-    "ack_pwr_limit"
+    "ack_pwr_limit",
+    "cpu_temp"
 };
 
 enum {
diff --git a/src/utils/helper.cpp b/src/utils/helper.cpp
index 7d0c2cfb..b30f58e0 100644
--- a/src/utils/helper.cpp
+++ b/src/utils/helper.cpp
@@ -156,7 +156,7 @@ namespace ah {
         // This formula is an approximation and might need to be calibrated for your specific use case.
         float temperature = (voltage - 500) / 10.0;*/
 
-        #if defined(ESP_32)
+        #if defined(ESP32)
         return temperatureRead();
         #else
         return 0;
diff --git a/src/web/html/system.html b/src/web/html/system.html
index 2e5d44a8..a6223455 100644
--- a/src/web/html/system.html
+++ b/src/web/html/system.html
@@ -46,7 +46,7 @@
                     tr("Chip", "CPU: " + obj.chip.cpu_freq + "MHz, " + obj.chip.cores + " Core(s)"),
                     tr("Chip Model", obj.chip.model)
                     /*IF_ESP32*/
-                    ,tr("Chip temp.", obj.chip.temp_sensor_c + "°C")
+                    ,tr("Chip temp.", Math.round(obj.chip.temp_sensor_c * 10) / 10 + "°C")
                     /*ENDIF_ESP32*/
                 ]