diff --git a/rt/tst-mqueue9.c b/rt/tst-mqueue9.c
index d6ec6ca9d7..fb057d4adc 100644
--- a/rt/tst-mqueue9.c
+++ b/rt/tst-mqueue9.c
@@ -56,7 +56,7 @@ do_test (void)
       return 0;
     }
 
-  int result;
+  int result = 0;
   if (mq_unlink (name) == 0)
     {
       puts ("mq_unlink unexpectedly succeeded");