diff -Nru unbound-1.4.9/daemon/worker.c unbound-1.4.10/daemon/worker.c
--- unbound-1.4.9/daemon/worker.c	2010-11-04 08:35:39.000000000 -0400
+++ unbound-1.4.10/daemon/worker.c	2011-05-25 10:00:04.000000000 -0400
@@ -777,6 +777,7 @@
 		qinfo.qtype == LDNS_RR_TYPE_IXFR) {
 		verbose(VERB_ALGO, "worker request: refused zone transfer.");
 		log_addr(VERB_CLIENT,"from",&repinfo->addr, repinfo->addrlen);
+		ldns_buffer_rewind(c->buffer);
 		LDNS_QR_SET(ldns_buffer_begin(c->buffer));
 		LDNS_RCODE_SET(ldns_buffer_begin(c->buffer), 
 			LDNS_RCODE_REFUSED);