diff --git a/testsuites/psxtests/psxkey01/init.c b/testsuites/psxtests/psxkey01/init.c
index b8718d7bb3..e71ee612bf 100644
--- a/testsuites/psxtests/psxkey01/init.c
+++ b/testsuites/psxtests/psxkey01/init.c
@@ -16,6 +16,7 @@
 #include <rtems/score/wkspace.h>
 #include <rtems/score/heap.h>
 
+#include "test_support.h"
 
 void Key_destructor(
    void *key_data