diff --git a/sonoff/_releasenotes.ino b/sonoff/_releasenotes.ino
index 59cada7e3..ebb583725 100644
--- a/sonoff/_releasenotes.ino
+++ b/sonoff/_releasenotes.ino
@@ -1,4 +1,5 @@
 /* 6.0.0a
+ * Add increment and decrement value to command Counter (#2838)
  * Add option 0 to command Timers disarming all timers (#2962)
  * Add time in minutes to rule Time#Initialized, Time#set and Time#Minute (#2669)
  * Add rule variables %time% for minutes since midnight, %uptime%, %sunrise% and %sunset% giving time in minutes (#2669)
diff --git a/sonoff/sonoff.ino b/sonoff/sonoff.ino
index fec987722..c2ade9636 100644
--- a/sonoff/sonoff.ino
+++ b/sonoff/sonoff.ino
@@ -797,8 +797,13 @@ void MqttDataHandler(char* topic, byte* data, unsigned int data_len)
     }
     else if ((CMND_COUNTER == command_code) && (index > 0) && (index <= MAX_COUNTERS)) {
       if ((data_len > 0) && (pin[GPIO_CNTR1 + index -1] < 99)) {
-        RtcSettings.pulse_counter[index -1] = payload16;
-        Settings.pulse_counter[index -1] = payload16;
+        if ((dataBuf[0] == '-') || (dataBuf[0] == '+')) {
+          RtcSettings.pulse_counter[index -1] += payload32;
+          Settings.pulse_counter[index -1] += payload32;
+        } else {
+          RtcSettings.pulse_counter[index -1] = payload32;
+          Settings.pulse_counter[index -1] = payload32;
+        }
       }
       snprintf_P(mqtt_data, sizeof(mqtt_data), S_JSON_COMMAND_INDEX_LVALUE, command, index, RtcSettings.pulse_counter[index -1]);
     }