diff --git a/src/drivers/boards/px4fmu-v4/board_config.h b/src/drivers/boards/px4fmu-v4/board_config.h
index b8fa362f6e..ea82a7a031 100644
--- a/src/drivers/boards/px4fmu-v4/board_config.h
+++ b/src/drivers/boards/px4fmu-v4/board_config.h
@@ -154,7 +154,7 @@ __BEGIN_DECLS
  *
  * These are the channel numbers of the ADCs of the microcontroller that can be used by the Px4 Firmware in the adc driver
  */
-#define ADC_CHANNELS (1 << 2) | (1 << 3) | (1 << 4) | (1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) | (1 << 14) | (1 << 15)
+#define ADC_CHANNELS (1 << 2) | (1 << 3) | (1 << 4) | (1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) | (1 << 14)
 
 // ADC defines to be used in sensors.cpp to read from a particular channel
 #define ADC_BATTERY_VOLTAGE_CHANNEL		2