diff --git a/libraries/AP_AHRS/examples/AHRS_Test/AHRS_Test.cpp b/libraries/AP_AHRS/examples/AHRS_Test/AHRS_Test.cpp
index 839e59e9c2..966d7e2458 100644
--- a/libraries/AP_AHRS/examples/AHRS_Test/AHRS_Test.cpp
+++ b/libraries/AP_AHRS/examples/AHRS_Test/AHRS_Test.cpp
@@ -36,6 +36,7 @@
 #include <AP_HAL_AVR.h>
 #include <AP_HAL_SITL.h>
 #include <AP_HAL_Empty.h>
+#include <AP_HAL_Linux.h>
 #include <AP_HAL_PX4.h>
 #include <AP_BattMonitor.h>
 #include <AP_SerialManager.h>
diff --git a/libraries/AP_AHRS/examples/AHRS_Test/make.inc b/libraries/AP_AHRS/examples/AHRS_Test/make.inc
index 213446816d..fb9a1a80ac 100644
--- a/libraries/AP_AHRS/examples/AHRS_Test/make.inc
+++ b/libraries/AP_AHRS/examples/AHRS_Test/make.inc
@@ -13,6 +13,7 @@ LIBRARIES += AP_HAL
 LIBRARIES += AP_HAL_AVR
 LIBRARIES += AP_HAL_Empty
 LIBRARIES += AP_HAL_PX4
+LIBRARIES += AP_HAL_Linux
 LIBRARIES += AP_HAL_SITL
 LIBRARIES += AP_InertialSensor
 LIBRARIES += AP_Math