diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c
index e92fa6029ac772dd350d9948b25a36fbfb917256..788b0805d2f1e0605cdbae5e6afe53f0c6247098 100644
--- a/tools/perf/tests/task-exit.c
+++ b/tools/perf/tests/task-exit.c
@@ -105,6 +105,7 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused
 	if (perf_evlist__mmap(evlist, 128) < 0) {
 		pr_debug("failed to mmap events: %d (%s)\n", errno,
 			 str_error_r(errno, sbuf, sizeof(sbuf)));
+		err = -1;
 		goto out_delete_evlist;
 	}