diff --git a/main/ZgatewayIR.ino b/main/ZgatewayIR.ino
index ee1b0128f4..786df32055 100644
--- a/main/ZgatewayIR.ino
+++ b/main/ZgatewayIR.ino
@@ -39,7 +39,7 @@ IRrecv irrecv(IR_RECEIVER_GPIO, 1024, 15U, true);
 #    else
 IRrecv irrecv(IR_RECEIVER_GPIO);
 #    endif
-IRsend irsend(IR_EMITTER_GPIO);
+IRsend irsend(IR_EMITTER_GPIO, IR_EMITTER_INVERTED);
 #  else
 #    include <IRremote.h>
 IRrecv irrecv(IR_RECEIVER_GPIO);
diff --git a/main/config_IR.h b/main/config_IR.h
index 52bb79e1c9..992d501c64 100644
--- a/main/config_IR.h
+++ b/main/config_IR.h
@@ -156,6 +156,12 @@ extern void MQTTtoIR(char* topicOri, JsonObject& RFdata);
 //#define IR_PANASONIC
 #endif
 
+#ifndef IR_EMITTER_INVERTED
+#  if defined(ESP8266) || defined(ESP32)
+#    define IR_EMITTER_INVERTED false //set to true if yuou want to reverse the LED signal for the emitter
+#  endif
+#endif
+
 /*-------------------PIN DEFINITIONS----------------------*/
 #ifndef IR_RECEIVER_GPIO
 #  ifdef ESP8266
diff --git a/platformio.ini b/platformio.ini
index 69524d9d37..2dd7147e8f 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -348,6 +348,7 @@ build_flags =
   '-DLOW_POWER_LED_OFF=1'
   '-DSLEEP_BUTTON=39'
   '-DTRIGGER_GPIO=39'
+  '-DIR_EMITTER_INVERTED=true'
   '-DIR_EMITTER_GPIO=9'
   '-DGateway_Name="OpenMQTTGateway_ESP32_M5STICK_C_BLE_IR"'
 board_upload.speed = 1500000