diff --git a/src/main/sensors/initialisation.c b/src/main/sensors/initialisation.c
index 399ad7b842..0e75ad15f5 100755
--- a/src/main/sensors/initialisation.c
+++ b/src/main/sensors/initialisation.c
@@ -81,7 +81,7 @@ extern baro_t baro;
 extern acc_t acc;
 extern sensor_align_e gyroAlign;
 
-uint8_t detectedSensors[MAX_SENSORS_TO_DETECT] = { GYRO_NONE, ACC_NONE, BARO_NONE, MAG_NONE };
+uint8_t detectedSensors[SENSOR_INDEX_COUNT] = { GYRO_NONE, ACC_NONE, BARO_NONE, MAG_NONE };
 
 
 const extiConfig_t *selectMPUIntExtiConfig(void)
diff --git a/src/main/sensors/sensors.h b/src/main/sensors/sensors.h
index f47b96d0b5..9e6fdda92f 100644
--- a/src/main/sensors/sensors.h
+++ b/src/main/sensors/sensors.h
@@ -21,12 +21,11 @@ typedef enum {
     SENSOR_INDEX_GYRO = 0,
     SENSOR_INDEX_ACC,
     SENSOR_INDEX_BARO,
-    SENSOR_INDEX_MAG
+    SENSOR_INDEX_MAG,
+    SENSOR_INDEX_COUNT
 } sensorIndex_e;
 
-#define MAX_SENSORS_TO_DETECT (SENSOR_INDEX_MAG + 1)
-
-extern uint8_t detectedSensors[MAX_SENSORS_TO_DETECT];
+extern uint8_t detectedSensors[SENSOR_INDEX_COUNT];
 
 typedef struct int16_flightDynamicsTrims_s {
     int16_t roll;