diff --git a/doc/Changelog b/doc/Changelog
index 70d4a629d..49c23f0b6 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,9 @@
+24 December 2011: Wouter
+	- Fix for memory leak (about 20 bytes when a tcp or udp send operation
+	  towards authority servers failed, takes about 50.000 such failures to
+	  leak one Mb, such failures are also usually logged), reported by
+	  Robert Fleischmann.
+
 19 December 2011: Wouter
 	- Fix for VU#209659 CVE-2011-4528: Unbound denial of service
 	  vulnerabilities from nonstandard redirection and denial of existence
diff --git a/services/outside_network.c b/services/outside_network.c
index fef3c002f..7fd408e79 100644
--- a/services/outside_network.c
+++ b/services/outside_network.c
@@ -1824,6 +1824,7 @@ outnet_serviced_query(struct outside_network* outnet,
 			if(!serviced_udp_send(sq, buff)) {
 				(void)rbtree_delete(outnet->serviced, sq);
 				free(sq->qbuf);
+				free(sq->zone);
 				free(sq);
 				free(cb);
 				return NULL;
@@ -1832,6 +1833,7 @@ outnet_serviced_query(struct outside_network* outnet,
 			if(!serviced_tcp_send(sq, buff)) {
 				(void)rbtree_delete(outnet->serviced, sq);
 				free(sq->qbuf);
+				free(sq->zone);
 				free(sq);
 				free(cb);
 				return NULL;