diff --git a/libraries/AP_Baro/AP_Baro.cpp b/libraries/AP_Baro/AP_Baro.cpp
index 27be240f05..aac3ef5923 100644
--- a/libraries/AP_Baro/AP_Baro.cpp
+++ b/libraries/AP_Baro/AP_Baro.cpp
@@ -295,6 +295,11 @@ void AP_Baro::init(void)
         drivers[0] = new AP_Baro_MS5611(*this, new AP_SerialBus_I2C(hal.i2c, HAL_BARO_MS5611_I2C_ADDR), false);
         _num_drivers = 1;
     }
+#elif HAL_BARO_DEFAULT == HAL_BARO_MS5611 && HAL_BARO_MS5611_I2C_BUS == 1
+    {
+        drivers[0] = new AP_Baro_MS5611(*this, new AP_SerialBus_I2C(hal.i2c1, HAL_BARO_MS5611_I2C_ADDR), false);
+        _num_drivers = 1;
+    }
 #elif HAL_BARO_DEFAULT == HAL_BARO_MS5611_SPI
     {
         drivers[0] = new AP_Baro_MS5611(*this,