diff --git a/src/drivers/boards/auav-x21/auav_init.c b/src/drivers/boards/auav-x21/auav_init.c
index a68088324e..99419823fe 100644
--- a/src/drivers/boards/auav-x21/auav_init.c
+++ b/src/drivers/boards/auav-x21/auav_init.c
@@ -54,7 +54,7 @@
 #include <debug.h>
 #include <errno.h>
 
-#include <nuttx/arch.h>
+#include "platform/cxxinitialize.h"
 #include <nuttx/board.h>
 #include <nuttx/spi/spi.h>
 #include <nuttx/i2c/i2c_master.h>