diff --git a/cmd/sf.c b/cmd/sf.c
index 84bb0575f233892e22f8cb9162cbde2cc5a22f8e..738ef0e46dc14fde1ae1550b0873a2a818b7abb6 100644
--- a/cmd/sf.c
+++ b/cmd/sf.c
@@ -413,7 +413,7 @@ static void show_time(struct test_info *test, int stage)
 		do_div(speed, test->time_ms[stage] * 1024);
 	bps = speed * 8;
 
-	printf("%d %s: %d ticks, %d KiB/s %d.%03d Mbps\n", stage,
+	printf("%d %s: %u ticks, %d KiB/s %d.%03d Mbps\n", stage,
 	       stage_name[stage], test->time_ms[stage],
 	       (int)speed, bps / 1000, bps % 1000);
 }