diff --git a/testsuites/libtests/stackchk/init.c b/testsuites/libtests/stackchk/init.c
index 2ded41a549..da22a7ab50 100644
--- a/testsuites/libtests/stackchk/init.c
+++ b/testsuites/libtests/stackchk/init.c
@@ -26,6 +26,8 @@
 #define CONFIGURE_INIT
 #include "system.h"
 
+#include <rtems/bspIo.h>
+
 const char rtems_test_name[] = "STACKCHK";
 
 rtems_task Init(