1 files changed, 1 insertions, 0 deletions
diff --git a/test/testsem.c b/test/testsem.c
index 72ed6126f..e7992d6a2 100644
--- a/test/testsem.c
+++ b/test/testsem.c
@@ -92,6 +92,7 @@ static void sem2_execute(void) {
     test_emit_token('A' + i);
     chSemWaitTimeout(&sem1, MS2ST(500));
   }
+  test_assert(chSemGetCounter(&sem1) == 0, "non zero counter");
   test_assert_sequence("ABCDE");
   test_assert_time_window(target_time, target_time + ALLOWED_DELAY);
 }