diff --git a/testsuites/sptests/sptree01/init.c b/testsuites/sptests/sptree01/init.c
index 52114f6769..8a06588efa 100644
--- a/testsuites/sptests/sptree01/init.c
+++ b/testsuites/sptests/sptree01/init.c
@@ -39,7 +39,7 @@
 
 const char rtems_test_name[] = "SPTREE 1";
 
-rtems_task Init( rtems_task_argument ignored )
+static rtems_task Init( rtems_task_argument ignored )
 {
   TEST_BEGIN();