diff --git a/Tools/AP_Periph/AP_Periph.cpp b/Tools/AP_Periph/AP_Periph.cpp
index b9c86c1a64..be0d8c32d4 100644
--- a/Tools/AP_Periph/AP_Periph.cpp
+++ b/Tools/AP_Periph/AP_Periph.cpp
@@ -208,7 +208,7 @@ void AP_Periph_FW::init()
 #endif
 
 #ifdef HAL_PERIPH_ENABLE_AIRSPEED
-#if CONFIG_HAL_BOARD == HAL_BOARD_CHIBIOS
+#if (CONFIG_HAL_BOARD == HAL_BOARD_CHIBIOS) && (HAL_USE_I2C == TRUE)
     const bool pins_enabled = ChibiOS::I2CBus::check_select_pins(0x01);
     if (pins_enabled) {
         ChibiOS::I2CBus::set_bus_to_floating(0);