diff --git a/testsuites/libtests/devnullfatal01/testcase.h b/testsuites/libtests/devnullfatal01/testcase.h
index 1060d5024d..fb8a786645 100644
--- a/testsuites/libtests/devnullfatal01/testcase.h
+++ b/testsuites/libtests/devnullfatal01/testcase.h
@@ -1,5 +1,5 @@
 /*
- *  COPYRIGHT (c) 1989-2010.
+ *  COPYRIGHT (c) 1989-2010, 2017.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -12,7 +12,9 @@
 #define FATAL_ERROR_EXPECTED_SOURCE      INTERNAL_ERROR_RTEMS_API
 #define FATAL_ERROR_EXPECTED_ERROR       RTEMS_TOO_MANY
 
+#ifndef TESTS_USE_PRINTK
 #define TESTS_USE_PRINTK
+#endif
 
 #include <rtems/devnull.h>
 #include "tmacros.h"