diff --git a/testing/ostest/sem.c b/testing/ostest/sem.c
index a1107b20b..6a3bc1385 100644
--- a/testing/ostest/sem.c
+++ b/testing/ostest/sem.c
@@ -314,4 +314,6 @@ void sem_test(void)
       pthread_join(poster_thread, NULL);
     }
 #endif
+
+  sem_destroy(&sem);
 }