diff --git a/tools/perf/bench/sched-messaging.c b/tools/perf/bench/sched-messaging.c
index e249eb2..81cee78 100644
--- a/tools/perf/bench/sched-messaging.c
+++ b/tools/perf/bench/sched-messaging.c
@@ -320,10 +320,12 @@
 		       num_groups, num_groups * 2 * num_fds,
 		       thread_mode ? "threads" : "processes");
 		printf(" %14s: %lu.%03lu [sec]\n", "Total time",
-		       diff.tv_sec, diff.tv_usec/1000);
+		       diff.tv_sec,
+		       (unsigned long) (diff.tv_usec/1000));
 		break;
 	case BENCH_FORMAT_SIMPLE:
-		printf("%lu.%03lu\n", diff.tv_sec, diff.tv_usec/1000);
+		printf("%lu.%03lu\n", diff.tv_sec,
+		       (unsigned long) (diff.tv_usec/1000));
 		break;
 	default:
 		/* reaching here is something disaster */