diff --git a/libraries/AC_WPNav/examples/AC_WPNav_test/AC_WPNav_test.pde b/libraries/AC_WPNav/examples/AC_WPNav_test/AC_WPNav_test.pde index 4fb9149feb..3a14c95f38 100644 --- a/libraries/AC_WPNav/examples/AC_WPNav_test/AC_WPNav_test.pde +++ b/libraries/AC_WPNav/examples/AC_WPNav_test/AC_WPNav_test.pde @@ -37,6 +37,7 @@ #include #include #include +#include #include const AP_HAL::HAL& hal = AP_HAL_BOARD_DRIVER;