diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 20aef9815cd89a3ad89e99683114dbacc4099019..d90927f31ff6b4dba6a5ca6a26e5ec7e242c0fa7 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -643,7 +643,7 @@ static void *display_thread(void *arg)
 		case -1:
 			if (errno == EINTR)
 				continue;
-			/* Fall trhu */
+			__fallthrough;
 		default:
 			c = getc(stdin);
 			tcsetattr(0, TCSAFLUSH, &save);