diff --git a/CHANGELOG.md b/CHANGELOG.md
index f2844aa8d..649f15289 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,9 @@ All notable changes to this project will be documented in this file.
 - Replaced SSD1351 GPIO selection from ``SPI CS`` by ``SSD1351 CS``
 - Replaced RA8876 GPIO selection from ``SPI CS`` by ``RA8876 CS``
 
+### Changed
+- Maximum chars in AddLog_P logging reduced from 700 to 128 (LOGSZ) to enhance stability
+
 ## [9.2.0.1] 20201229
 ### Added
 - Milliseconds to console output (#10152)
diff --git a/tasmota/support.ino b/tasmota/support.ino
index 78c7f93dc..8138e39d9 100644
--- a/tasmota/support.ino
+++ b/tasmota/support.ino
@@ -1321,7 +1321,7 @@ void DumpConvertTable(void) {
       ResponseAppend_P(PSTR(","));
     }
     jsflg = true;
-    if ((ResponseAppend_P(PSTR("\"%d\":\"%d\""), i, data) > (LOGSZ - TOPSZ)) || (i == ARRAY_SIZE(kGpioConvert) -1)) {
+    if ((ResponseAppend_P(PSTR("\"%d\":\"%d\""), i, data) > (MAX_LOGSZ - TOPSZ)) || (i == ARRAY_SIZE(kGpioConvert) -1)) {
       ResponseJsonEndEnd();
       MqttPublishPrefixTopic_P(RESULT_OR_STAT, XdrvMailbox.command);
       jsflg = false;
@@ -1336,7 +1336,7 @@ void DumpConvertTable(void) {
       ResponseAppend_P(PSTR(","));
     }
     jsflg = true;
-    if ((ResponseAppend_P(PSTR("\"%d\":\"%d\""), i, data) > (LOGSZ - TOPSZ)) || (i == ARRAY_SIZE(kAdcNiceList) -1)) {
+    if ((ResponseAppend_P(PSTR("\"%d\":\"%d\""), i, data) > (MAX_LOGSZ - TOPSZ)) || (i == ARRAY_SIZE(kAdcNiceList) -1)) {
       ResponseJsonEndEnd();
       MqttPublishPrefixTopic_P(RESULT_OR_STAT, XdrvMailbox.command);
       jsflg = false;
@@ -2065,7 +2065,7 @@ bool NeedLogRefresh(uint32_t req_loglevel, uint32_t index) {
 #endif  // ESP32
 
   // Skip initial buffer fill
-  if (strlen(TasmotaGlobal.log_buffer) < LOG_BUFFER_SIZE - LOGSZ) { return false; }
+  if (strlen(TasmotaGlobal.log_buffer) < LOG_BUFFER_SIZE - MAX_LOGSZ) { return false; }
 
   char* line;
   size_t len;
@@ -2172,13 +2172,13 @@ void AddLogData(uint32_t loglevel, const char* log_data) {
 
 void AddLog_P(uint32_t loglevel, PGM_P formatP, ...)
 {
-  char log_data[132];
+  char log_data[LOGSZ +4];
 
   va_list arg;
   va_start(arg, formatP);
-  uint32_t len = vsnprintf_P(log_data, 129, formatP, arg);
+  uint32_t len = vsnprintf_P(log_data, LOGSZ +1, formatP, arg);
   va_end(arg);
-  if (len > 128) { strcat(log_data, "..."); }  // Actual data is more
+  if (len > LOGSZ) { strcat(log_data, "..."); }  // Actual data is more
 
 #ifdef DEBUG_TASMOTA_CORE
   // Profile max_len
@@ -2194,7 +2194,7 @@ void AddLog_P(uint32_t loglevel, PGM_P formatP, ...)
 
 void AddLog_Debug(PGM_P formatP, ...)
 {
-  char log_data[LOGSZ];
+  char log_data[MAX_LOGSZ];
 
   va_list arg;
   va_start(arg, formatP);
diff --git a/tasmota/support_command.ino b/tasmota/support_command.ino
index 59d3f3e41..047208824 100644
--- a/tasmota/support_command.ino
+++ b/tasmota/support_command.ino
@@ -1124,7 +1124,7 @@ void CmndModules(void)
     }
     jsflg = true;
     uint32_t j = i ? midx +1 : 0;
-    if ((ResponseAppend_P(PSTR("\"%d\":\"%s\""), j, AnyModuleName(midx).c_str()) > (LOGSZ - TOPSZ)) || (i == sizeof(kModuleNiceList))) {
+    if ((ResponseAppend_P(PSTR("\"%d\":\"%s\""), j, AnyModuleName(midx).c_str()) > (MAX_LOGSZ - TOPSZ)) || (i == sizeof(kModuleNiceList))) {
       ResponseJsonEndEnd();
       MqttPublishPrefixTopic_P(RESULT_OR_STAT, XdrvMailbox.command);
       jsflg = false;
@@ -1192,7 +1192,7 @@ void CmndGpio(void)
           sensor_names = kSensorNamesFixed;
         }
         char stemp1[TOPSZ];
-        if ((ResponseAppend_P(PSTR("\"" D_CMND_GPIO "%d\":{\"%d\":\"%s%s\"}"), i, sensor_type, GetTextIndexed(stemp1, sizeof(stemp1), sensor_name_idx, sensor_names), sindex) > (LOGSZ - TOPSZ)) || (i == ARRAY_SIZE(Settings.my_gp.io) -1)) {
+        if ((ResponseAppend_P(PSTR("\"" D_CMND_GPIO "%d\":{\"%d\":\"%s%s\"}"), i, sensor_type, GetTextIndexed(stemp1, sizeof(stemp1), sensor_name_idx, sensor_names), sindex) > (MAX_LOGSZ - TOPSZ)) || (i == ARRAY_SIZE(Settings.my_gp.io) -1)) {
           ResponseJsonEnd();
           MqttPublishPrefixTopic_P(RESULT_OR_STAT, XdrvMailbox.command);
           jsflg2 = true;
@@ -1227,7 +1227,7 @@ void ShowGpios(const uint16_t *NiceList, uint32_t size, uint32_t offset, uint32_
     }
     jsflg = true;
     char stemp1[TOPSZ];
-    if ((ResponseAppend_P(PSTR("\"%d\":\"%s\""), ridx, GetTextIndexed(stemp1, sizeof(stemp1), midx, kSensorNames)) > (LOGSZ - TOPSZ)) || (i == size -1)) {
+    if ((ResponseAppend_P(PSTR("\"%d\":\"%s\""), ridx, GetTextIndexed(stemp1, sizeof(stemp1), midx, kSensorNames)) > (MAX_LOGSZ - TOPSZ)) || (i == size -1)) {
       ResponseJsonEndEnd();
       MqttPublishPrefixTopic_P(RESULT_OR_STAT, XdrvMailbox.command);
       jsflg = false;
diff --git a/tasmota/tasmota.h b/tasmota/tasmota.h
index e01de2d3f..dddc43fc1 100644
--- a/tasmota/tasmota.h
+++ b/tasmota/tasmota.h
@@ -135,7 +135,8 @@ const uint16_t INPUT_BUFFER_SIZE = 520;     // Max number of characters in seria
 const uint16_t FLOATSZ = 16;                // Max number of characters in float result from dtostrfd (max 32)
 const uint16_t CMDSZ = 24;                  // Max number of characters in command
 const uint16_t TOPSZ = 151;                 // Max number of characters in topic string
-const uint16_t LOGSZ = 700;                 // Max number of characters in log
+const uint16_t LOGSZ = 128;                 // Max number of characters in AddLog_P log
+const uint16_t MAX_LOGSZ = 700;             // Max number of characters in log
 const uint16_t MIN_MESSZ = 1040;            // Min number of characters in MQTT message (1200 - TOPSZ - 9 header bytes)
 
 const uint8_t SENSOR_MAX_MISS = 5;          // Max number of missed sensor reads before deciding it's offline
diff --git a/tasmota/xdrv_01_webserver.ino b/tasmota/xdrv_01_webserver.ino
index 56389ea9a..1fe064b08 100644
--- a/tasmota/xdrv_01_webserver.ino
+++ b/tasmota/xdrv_01_webserver.ino
@@ -1927,7 +1927,7 @@ void OtherSaveSettings(void)
   char tmp[300];   // Needs to hold complete ESP32 template of minimal 230 chars
   char webindex[5];
   char friendlyname[TOPSZ];
-  char message[LOGSZ];
+  char message[MAX_LOGSZ];
 
   WebGetArg("dn", tmp, sizeof(tmp));
   SettingsUpdateText(SET_DEVICENAME, (!strlen(tmp)) ? "" : (!strcmp(tmp,"1")) ? SettingsText(SET_FRIENDLYNAME1) : tmp);
diff --git a/tasmota/xdrv_02_mqtt.ino b/tasmota/xdrv_02_mqtt.ino
index 471d55ff4..d34b98b57 100644
--- a/tasmota/xdrv_02_mqtt.ino
+++ b/tasmota/xdrv_02_mqtt.ino
@@ -321,7 +321,7 @@ void MqttPublish(const char* topic, bool retained) {
     }
   }
 
-  char log_data[LOGSZ];
+  char log_data[MAX_LOGSZ];
   snprintf_P(log_data, sizeof(log_data), PSTR("%s%s = %s"), slog_type, (Settings.flag.mqtt_enabled) ? topic : strrchr(topic,'/')+1, TasmotaGlobal.mqtt_data);  // SetOption3 - Enable MQTT
   if (strlen(log_data) >= (sizeof(log_data) - strlen(sretained) -1)) {
     log_data[sizeof(log_data) - strlen(sretained) -5] = '\0';
diff --git a/tasmota/xdrv_10_scripter.ino b/tasmota/xdrv_10_scripter.ino
index 93076f701..bf4b8887a 100755
--- a/tasmota/xdrv_10_scripter.ino
+++ b/tasmota/xdrv_10_scripter.ino
@@ -3696,7 +3696,7 @@ void toLogN(const char *cp, uint8_t len) {
 void toLogEOL(const char *s1,const char *str) {
   if (!str) return;
   uint8_t index = 0;
-  char log_data[LOGSZ];
+  char log_data[MAX_LOGSZ];
   char *cp = log_data;
   strcpy(cp, s1);
   cp += strlen(s1);
@@ -5768,7 +5768,7 @@ void Script_Check_Hue(String *response) {
     Script_AddLog_P(LOG_LEVEL_DEBUG, PSTR("Hue: %d"), hue_devs);
     toLog(">>>>");
     toLog(response->c_str());
-    toLog(response->c_str()+LOGSZ);
+    toLog(response->c_str()+MAX_LOGSZ);
   }
 #endif
 }
diff --git a/tasmota/xdrv_12_home_assistant.ino b/tasmota/xdrv_12_home_assistant.ino
index e61ec7938..8ef33c91f 100644
--- a/tasmota/xdrv_12_home_assistant.ino
+++ b/tasmota/xdrv_12_home_assistant.ino
@@ -370,7 +370,7 @@ void TryResponseAppend_P(const char *format, ...)
   {
     AddLog_P(LOG_LEVEL_ERROR, PSTR("%s (%u/%u):"), kHAssError1, dlen, slen);
     va_start(args, format);
-    char log_data[LOGSZ];
+    char log_data[MAX_LOGSZ];
     vsnprintf_P(log_data, sizeof(log_data), format, args);
     AddLogData(LOG_LEVEL_ERROR, log_data);
   }
diff --git a/tasmota/xdrv_16_tuyamcu.ino b/tasmota/xdrv_16_tuyamcu.ino
index ba8766b98..278564047 100644
--- a/tasmota/xdrv_16_tuyamcu.ino
+++ b/tasmota/xdrv_16_tuyamcu.ino
@@ -404,7 +404,7 @@ void TuyaSendCmd(uint8_t cmd, uint8_t payload[] = nullptr, uint16_t payload_len
   TuyaSerial->write(cmd);                   // Tuya command
   TuyaSerial->write(payload_len >> 8);      // following data length (Hi)
   TuyaSerial->write(payload_len & 0xFF);    // following data length (Lo)
-  char log_data[LOGSZ];
+  char log_data[MAX_LOGSZ];
   snprintf_P(log_data, sizeof(log_data), PSTR("TYA: Send \"55aa00%02x%02x%02x"), cmd, payload_len >> 8, payload_len & 0xFF);
   for (uint32_t i = 0; i < payload_len; ++i) {
     TuyaSerial->write(payload[i]);