diff --git a/networking/traceroute.c b/networking/traceroute.c
index 7284f00..fa45db9 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -815,7 +815,7 @@
 
 			if (!first && pausemsecs > 0)
 				usleep(pausemsecs * 1000);
-			fflush(stdout);
+			fflush_all();
 
 			t1 = monotonic_us();
 			send_probe(++seq, ttl);