diff --git a/tools/perf/bench/epoll-wait.c b/tools/perf/bench/epoll-wait.c
index d1c5cb526b9f..0dbf86315dbe 100644
--- a/tools/perf/bench/epoll-wait.c
+++ b/tools/perf/bench/epoll-wait.c
@@ -407,7 +407,12 @@ static int cmpworker(const void *p1, const void *p2)
 
 	struct worker *w1 = (struct worker *) p1;
 	struct worker *w2 = (struct worker *) p2;
-	return w1->tid > w2->tid;
+
+	if (w1->tid > w2->tid)
+		return 1;
+	if (w1->tid < w2->tid)
+		return -1;
+	return 0;
 }
 
 int bench_epoll_wait(int argc, const char **argv)