diff --git a/src/main.cpp b/src/main.cpp
index fda2c36..4af78b7 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -109,13 +109,13 @@ void setup() {
   
   // Lire l'ID du module (GPIO 8=bit0, 9=bit1, 10=bit2)
   // Logique inverse : LOW=1, HIGH=0
-  // LOW LOW LOW (000) = BleQuiz-1
-  // LOW LOW HIGH (001) = BleQuiz-2
+  // LOW LOW LOW (111) = BleQuiz-8
+  // LOW LOW HIGH (110) = BleQuiz-7
   // ...
-  // HIGH HIGH HIGH (111) = BleQuiz-8
+  // HIGH HIGH HIGH (000) = BleQuiz-1
   uint8_t moduleId = 0;
   for (int i = 0; i < NUM_ID_PINS; i++) {
-    if (digitalRead(ID_GPIO_PINS[i]) == HIGH) {
+    if (digitalRead(ID_GPIO_PINS[i]) == LOW) {
       moduleId |= (1 << i);
     }
   }