diff --git a/doc/Changelog b/doc/Changelog
index 3b37ad762..2e4e6d002 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,5 +1,6 @@
 26 October 2010: Wouter
 	- dump_infra and flush_infra commands for unbound-control.
+	- no timeout backoff if meanwhile a query succeeded.
 
 25 October 2010: Wouter
 	- Configure errors if ldns is not found.
diff --git a/util/rtt.c b/util/rtt.c
index af21cc39f..df1d437e4 100644
--- a/util/rtt.c
+++ b/util/rtt.c
@@ -99,6 +99,10 @@ rtt_lost(struct rtt_info* rtt, int orig)
 {
 	/* exponential backoff */
 
+	/* if a query succeeded and put down the rto meanwhile, ignore this */
+	if(rtt->rto < orig)
+		return;
+
 	/* the original rto is doubled, not the current one to make sure
 	 * that the values in the cache are not increased by lots of
 	 * queries simultaneously as they time out at the same time */