diff --git a/libraries/AP_Notify/examples/ToshibaLED_test/ToshibaLED_test.pde b/libraries/AP_Notify/examples/ToshibaLED_test/ToshibaLED_test.pde
index a830225794..37bea49b25 100644
--- a/libraries/AP_Notify/examples/ToshibaLED_test/ToshibaLED_test.pde
+++ b/libraries/AP_Notify/examples/ToshibaLED_test/ToshibaLED_test.pde
@@ -24,6 +24,7 @@
 #include <AP_Notify.h>          // Notify library
 #include <ToshibaLED.h>
 #include <AP_AHRS.h>
+#include <AP_NavEKF.h>
 #include <AP_Airspeed.h>
 #include <AP_Vehicle.h>
 #include <AP_ADC_AnalogSource.h>