#if AO_MPU6000_SPI
-#define AO_MPU6000_SPI_SPEED ao_spi_speed(1000000) /* 1Mhz for all register access */
+#define AO_MPU6000_SPI_SPEED ao_spi_speed(AO_MPU6000_SPI_BUS, 1000000) /* 1Mhz for all register access */
#define ao_mpu6000_spi_get() ao_spi_get(AO_MPU6000_SPI_BUS, AO_MPU6000_SPI_SPEED)
#define ao_mpu6000_spi_put() ao_spi_put(AO_MPU6000_SPI_BUS)