diff --git a/sonoff/_releasenotes.ino b/sonoff/_releasenotes.ino
index f2cd88ad7..f3f07a15b 100644
--- a/sonoff/_releasenotes.ino
+++ b/sonoff/_releasenotes.ino
@@ -3,6 +3,7 @@
  * Change uptime from hour to second resulting in a display of 123T13:45:21 where 123 is days
  * Fix Arilux RF induced exception by moving interrupt handler to iram on non esp/arduino lib v2.3.0
  * Add NTP sync based on chip id (#1773)
+ * Fix regression from 5.11.1h web console and http input max length from 100 to 254 characters (#1819)
  *
  * 5.11.1i
  * Update TasmotaSerial library to 1.1.0
diff --git a/sonoff/sonoff.h b/sonoff/sonoff.h
index 65462781a..7338772bd 100644
--- a/sonoff/sonoff.h
+++ b/sonoff/sonoff.h
@@ -82,7 +82,7 @@ typedef unsigned long power_t;              // Power (Relay) type
 #define SERIALLOG_TIMER        600          // Seconds to disable SerialLog
 #define OTA_ATTEMPTS           5            // Number of times to try fetching the new firmware
 
-#define INPUT_BUFFER_SIZE      250          // Max number of characters in (serial) command buffer
+#define INPUT_BUFFER_SIZE      255          // Max number of characters in (serial) command buffer
 #define CMDSZ                  24           // Max number of characters in command
 #define TOPSZ                  100          // Max number of characters in topic string
 #define LOGSZ                  400          // Max number of characters in log
diff --git a/sonoff/sonoff.ino b/sonoff/sonoff.ino
index 569b5dc85..204c83eeb 100644
--- a/sonoff/sonoff.ino
+++ b/sonoff/sonoff.ino
@@ -192,8 +192,8 @@ boolean mdns_begun = false;
 
 char my_version[33];                        // Composed version string
 char my_hostname[33];                       // Composed Wifi hostname
-char mqtt_client[33];                        // Composed MQTT Clientname
-char serial_in_buffer[INPUT_BUFFER_SIZE + 2];  // Receive buffer
+char mqtt_client[33];                       // Composed MQTT Clientname
+char serial_in_buffer[INPUT_BUFFER_SIZE];   // Receive buffer
 char mqtt_data[MESSZ];                      // MQTT publish buffer and web page ajax buffer
 char log_data[LOGSZ];                       // Logging
 char web_log[WEB_LOG_SIZE] = {'\0'};        // Web log buffer
diff --git a/sonoff/webserver.ino b/sonoff/webserver.ino
index 9af2d74be..0e1943325 100644
--- a/sonoff/webserver.ino
+++ b/sonoff/webserver.ino
@@ -1441,11 +1441,8 @@ void HandleHttpCommand()
   String message = F("{\"" D_RSLT_WARNING "\":\"");
   if (valid) {
     byte curridx = web_log_index;
-    char tmp[100];
-    WebGetArg("cmnd", tmp, sizeof(tmp));
-    if (strlen(tmp)) {
-//      snprintf_P(svalue, sizeof(svalue), tmp);  // Processes FullTopic %p
-      strlcpy(svalue, tmp, sizeof(svalue));       // Fixed 5.8.0b
+    WebGetArg("cmnd", svalue, sizeof(svalue));
+    if (strlen(svalue)) {
 //      byte syslog_now = syslog_level;
 //      syslog_level = 0;  // Disable UDP syslog to not trigger hardware WDT - Seems to work fine since 5.7.1d (global logging)
       ExecuteCommand(svalue);
@@ -1512,11 +1509,8 @@ void HandleAjaxConsoleRefresh()
   byte cflg = 1;
   byte counter = 0;                // Initial start, should never be 0 again
 
-  char tmp[100];
-  WebGetArg("c1", tmp, sizeof(tmp));
-  if (strlen(tmp)) {
-//    snprintf_P(svalue, sizeof(svalue), tmp);  // Processes FullTopic %p
-    strlcpy(svalue, tmp, sizeof(svalue));       // Fixed 5.8.0b
+  WebGetArg("c1", svalue, sizeof(svalue));
+  if (strlen(svalue)) {
     snprintf_P(log_data, sizeof(log_data), PSTR(D_LOG_COMMAND "%s"), svalue);
     AddLog(LOG_LEVEL_INFO);
 //    byte syslog_now = syslog_level;
@@ -1525,9 +1519,9 @@ void HandleAjaxConsoleRefresh()
 //    syslog_level = syslog_now;
   }
 
-  WebGetArg("c2", tmp, sizeof(tmp));
-  if (strlen(tmp)) {
-    counter = atoi(tmp);
+  WebGetArg("c2", svalue, sizeof(svalue));
+  if (strlen(svalue)) {
+    counter = atoi(svalue);
   }
 
   byte last_reset_web_log_flag = reset_web_log_flag;
@@ -1596,7 +1590,6 @@ void HandleInformation()
   func += F(D_PROGRAM_VERSION "}2"); func += my_version;
   func += F("}1" D_BUILD_DATE_AND_TIME "}2"); func += GetBuildDateAndTime();
   func += F("}1" D_CORE_AND_SDK_VERSION "}2" ARDUINO_ESP8266_RELEASE "/"); func += String(ESP.getSdkVersion());
-//  func += F("}1" D_UPTIME "}2"); func += String(uptime); func += F(" Seconds");
   func += F("}1" D_UPTIME "}2"); func += GetUptime();
   snprintf_P(stopic, sizeof(stopic), PSTR(" at %X"), GetSettingsAddress());
   func += F("}1" D_FLASH_WRITE_COUNT "}2"); func += String(Settings.save_flag); func += stopic;