diff --git a/testsuites/psxtests/psx12/init.c b/testsuites/psxtests/psx12/init.c
index 7ec603e9ca..33d09d40f5 100644
--- a/testsuites/psxtests/psx12/init.c
+++ b/testsuites/psxtests/psx12/init.c
@@ -9,6 +9,8 @@
  *  $Id$
  */
 
+#include <sched.h>
+
 #define CONFIGURE_INIT
 #include "system.h"
 #include <errno.h>