diff --git a/mqttled.example.h b/mqttled.example.h
index 55b712c..c29557a 100644
--- a/mqttled.example.h
+++ b/mqttled.example.h
@@ -1,3 +1,5 @@
+#define SERIAL_SPEED 115200
+
 // LED
 #define LED_PIN D0
 
diff --git a/mqttled.ino b/mqttled.ino
index c52b33d..d36ca90 100644
--- a/mqttled.ino
+++ b/mqttled.ino
@@ -1,3 +1,5 @@
+#include "mqttled.h"
+
 // C'est moche mais c'est pour récuperer EVERY_N_SECONDS :)
 #include <FastLED.h>
 #include <ESP8266WiFi.h>
@@ -12,7 +14,7 @@ PubSubClient client(espClient);
 
 
 void setup() {
-  Serial.begin(115200);
+  Serial.begin(SERIAL_SPEED);
   Serial.println("\nresetting");
 
 // WIFI