diff --git a/doc/Changelog b/doc/Changelog
index 2aa96aee0..9963c0032 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,6 @@
+3 November 2010: Wouter
+	- Change the rtt used to probe EDNS-timeout hosts to 1000 msec.
+
 2 November 2010: Wouter
 	- tag 1.4.7rc1.
 	- code review.
diff --git a/services/outside_network.c b/services/outside_network.c
index bddbb5608..d980cc712 100644
--- a/services/outside_network.c
+++ b/services/outside_network.c
@@ -1312,7 +1312,8 @@ serviced_udp_send(struct serviced_query* sq, ldns_buffer* buff)
 			 * EDNS lame (EDNS queries to it are dropped) */
 			verbose(VERB_ALGO, "serviced query: send probe to see "
 				" if use of EDNS causes timeouts");
-			rtt /= 10;
+			/* even 700 msec may be too small */
+			rtt = 1000;
 			sq->status = serviced_query_PROBE_EDNS;
 		} else if(vs != -1) {
 			sq->status = serviced_query_UDP_EDNS;