diff --git a/libraries/AP_HAL/board/linux.h b/libraries/AP_HAL/board/linux.h
index 0782c4c316..66c1538b62 100644
--- a/libraries/AP_HAL/board/linux.h
+++ b/libraries/AP_HAL/board/linux.h
@@ -266,8 +266,8 @@
 /* HMC5843 can be an external compass */
 #define HAL_COMPASS_HMC5843_I2C_BUS 1
 #define HAL_COMPASS_HMC5843_I2C_ADDR 0x1E
-#define HAL_OPTFLOW_PX4FLOW_I2C_BUS 2
-#define HAL_RANGEFINDER_LIGHTWARE_I2C_BUS 2
+#define HAL_OPTFLOW_PX4FLOW_I2C_BUS 1
+#define HAL_RANGEFINDER_LIGHTWARE_I2C_BUS 1
 #elif CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_POCKET
 #define HAL_GPIO_A_LED_PIN 27
 #define HAL_GPIO_B_LED_PIN 26