diff --git a/Marlin/src/HAL/HAL_AVR/HAL_AVR.h b/Marlin/src/HAL/HAL_AVR/HAL_AVR.h index df6e7efe2e..1a5d02682a 100644 --- a/Marlin/src/HAL/HAL_AVR/HAL_AVR.h +++ b/Marlin/src/HAL/HAL_AVR/HAL_AVR.h @@ -164,7 +164,7 @@ extern "C" { // ADC #ifdef DIDR2 - #define HAL_ANALOG_SELECT(pin) do{ if (pin < 8) SBI(DIDR0, pin); else SBI(DIDR2, pin - 8); }while(0) + #define HAL_ANALOG_SELECT(pin) do{ if (pin < 8) SBI(DIDR0, pin); else SBI(DIDR2, pin & 0x07); }while(0) #else #define HAL_ANALOG_SELECT(pin) do{ SBI(DIDR0, pin); }while(0) #endif