diff --git a/libraries/AP_InertialSensor/examples/VibTest/VibTest.pde b/libraries/AP_InertialSensor/examples/VibTest/VibTest.pde
index ac3201504d3f2241bc10d793a7641ea1c51df9cb..29e01f1d255169068f969097cc753462023bd522 100644
--- a/libraries/AP_InertialSensor/examples/VibTest/VibTest.pde
+++ b/libraries/AP_InertialSensor/examples/VibTest/VibTest.pde
@@ -117,6 +117,7 @@ void loop(void)
 }
 
 #else
+const AP_HAL::HAL& hal = AP_HAL_BOARD_DRIVER;
 void setup() {}
 void loop() {}
 #endif // CONFIG_HAL_BOARD