diff --git a/src/main.c b/src/main.c
index 0789f3d..2baf510 100644
--- a/src/main.c
+++ b/src/main.c
@@ -180,7 +180,8 @@ long run_lagscope_sender(struct lagscope_test_client *client)
 
 		gettimeofday(&now, NULL);
 		recv_time = now;
-		latency = get_time_diff(&recv_time, &send_time) * 1000 * 1000;
+		//divide by 2 to get one-way latency
+		latency = get_time_diff(&recv_time, &send_time) * 1000 * 1000 / 2;
 
 		ASPRINTF(&log, "Reply from %s: bytes=%d time=%.3fus",
 				ip_address_str,